APA

Atherley G. R., Bresnitz E. A., Cullen M. R., Falk L. A., Fine L. J., Goldman R. H., Hessl S. M., Keogh J. P., Kreiss K. & Levy B. S. (19870630). Drug screening: ethical guidelines. : Journal of occupational medicine. : official publication of the Industrial Medical Association.

Chicago

Atherley G R, Bresnitz E A, Cullen M R, Falk L A, Fine L J, Goldman R H, Hessl S M, Keogh J P, Kreiss K and Levy B S. 19870630. Drug screening: ethical guidelines. : Journal of occupational medicine. : official publication of the Industrial Medical Association.

Harvard

Atherley G. R., Bresnitz E. A., Cullen M. R., Falk L. A., Fine L. J., Goldman R. H., Hessl S. M., Keogh J. P., Kreiss K. and Levy B. S. (19870630). Drug screening: ethical guidelines. : Journal of occupational medicine. : official publication of the Industrial Medical Association.

MLA

Atherley G R, Bresnitz E A, Cullen M R, Falk L A, Fine L J, Goldman R H, Hessl S M, Keogh J P, Kreiss K and Levy B S. Drug screening: ethical guidelines. : Journal of occupational medicine. : official publication of the Industrial Medical Association. 19870630.