APA

PERNAROWSKI M., CHATTEN L. G. & LEVI L. (20030501). The determination of codeine phosphate in combination with acetylsalicylic acid, phenacetin, and caffeine by nonaqueous titration. : Journal of the American Pharmaceutical Association. American Pharmaceutical Association.

Chicago

PERNAROWSKI M, CHATTEN L G and LEVI L. 20030501. The determination of codeine phosphate in combination with acetylsalicylic acid, phenacetin, and caffeine by nonaqueous titration. : Journal of the American Pharmaceutical Association. American Pharmaceutical Association.

Harvard

PERNAROWSKI M., CHATTEN L. G. and LEVI L. (20030501). The determination of codeine phosphate in combination with acetylsalicylic acid, phenacetin, and caffeine by nonaqueous titration. : Journal of the American Pharmaceutical Association. American Pharmaceutical Association.

MLA

PERNAROWSKI M, CHATTEN L G and LEVI L. The determination of codeine phosphate in combination with acetylsalicylic acid, phenacetin, and caffeine by nonaqueous titration. : Journal of the American Pharmaceutical Association. American Pharmaceutical Association. 20030501.