APA

Devaux I., Kreidl P., Penttinen P., Salminen M., Zucs P. & Ammon A. (20110304). Initial surveillance of 2009 influenza A(H1N1) pandemic in the European Union and European Economic Area, April-September 2009. : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Chicago

Devaux I, Kreidl P, Penttinen P, Salminen Mika, Zucs P and Ammon A. 20110304. Initial surveillance of 2009 influenza A(H1N1) pandemic in the European Union and European Economic Area, April-September 2009. : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Harvard

Devaux I., Kreidl P., Penttinen P., Salminen M., Zucs P. and Ammon A. (20110304). Initial surveillance of 2009 influenza A(H1N1) pandemic in the European Union and European Economic Area, April-September 2009. : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

MLA

Devaux I, Kreidl P, Penttinen P, Salminen Mika, Zucs P and Ammon A. Initial surveillance of 2009 influenza A(H1N1) pandemic in the European Union and European Economic Area, April-September 2009. : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin. 20110304.