APA
Ansel, . (2011). Ansel's pharmaceutical dosage forms & drug delivery systems 9th ed. Wolter kluwer: New Delhi.
Chicago
Ansel, . 2011. Ansel's pharmaceutical dosage forms & drug delivery systems 9th ed. Wolter kluwer: New Delhi.
Harvard
Ansel, . (2011). Ansel's pharmaceutical dosage forms & drug delivery systems 9th ed. Wolter kluwer: New Delhi.
MLA
Ansel, . Ansel's pharmaceutical dosage forms & drug delivery systems 9th ed. Wolter kluwer: New Delhi. 2011.