Gaya APA

Ansel, H, C. et al (2005). Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems (8). : Lippincott Williams & Wilkins.

Gaya MLA

Ansel, Howard, C.. et al. "Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems". 8 : Lippincott Williams & Wilkins, 2005. Text.