APA

Fretz R., Sagel U., Ruppitsch W., Pietzka A., Stoger A., Huhulescu S., Heuberger S., Pichler J., Much P., Pfaff G., Stark K., Prager R., Flieger A., Feenstra O. & Allerberger F. (20100504). Listeriosis outbreak caused by acid curd cheese Quargel , Austria and Germany 2009. : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Chicago

Fretz R, Sagel U, Ruppitsch W, Pietzka At, Stoger A, Huhulescu S, Heuberger S, Pichler J, Much P, Pfaff G, Stark K, Prager R, Flieger A, Feenstra O and Allerberger F. 20100504. Listeriosis outbreak caused by acid curd cheese Quargel , Austria and Germany 2009. : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Harvard

Fretz R., Sagel U., Ruppitsch W., Pietzka A., Stoger A., Huhulescu S., Heuberger S., Pichler J., Much P., Pfaff G., Stark K., Prager R., Flieger A., Feenstra O. and Allerberger F. (20100504). Listeriosis outbreak caused by acid curd cheese Quargel , Austria and Germany 2009. : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

MLA

Fretz R, Sagel U, Ruppitsch W, Pietzka At, Stoger A, Huhulescu S, Heuberger S, Pichler J, Much P, Pfaff G, Stark K, Prager R, Flieger A, Feenstra O and Allerberger F. Listeriosis outbreak caused by acid curd cheese Quargel , Austria and Germany 2009. : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin. 20100504.