Gaya APA

Berardi, R, R. (2009). Handbook of Nonprescription Drugs : An Interactive Approach to Self-care . Washington: American Pharmacists Association.

Gaya MLA

Berardi, Rosemary, R.. "Handbook of Nonprescription Drugs : An Interactive Approach to Self-care". Washington: American Pharmacists Association, 2009. Text.