APA
Ansel H. C. &. P. n. G., . (1990). Pharmaceutical dosage forms and drug delivery systems. Lea & Febiger, London: .
Chicago
Ansel Howard C & Popovich nicholas G, . 1990. Pharmaceutical dosage forms and drug delivery systems. Lea & Febiger, London: .
Harvard
Ansel H. C. &. P. n. G., . (1990). Pharmaceutical dosage forms and drug delivery systems. Lea & Febiger, London: .
MLA
Ansel Howard C & Popovich nicholas G, . Pharmaceutical dosage forms and drug delivery systems. Lea & Febiger, London: . 1990.