Gaya APA

Lachman, L., A.Lieberman, H. (1989). Pharmaceutical Dosage Forms : disperse system volume 2 . United States of America: Marcel Dekker.

Gaya MLA

Lachman, Leon., A.Lieberman, Herbert. "Pharmaceutical Dosage Forms : disperse system volume 2". United States of America: Marcel Dekker, 1989. Text.