Gaya APA

GRIFIITH, H, W. et al (2017). COMPLETE GUIDE TO PRESCRIPTION & NONPRESCRIPTION DRUGS 2018 2019 . New York: A TARR PERIGEE BOOK.

Gaya MLA

GRIFIITH, H., WINTER. et al. "COMPLETE GUIDE TO PRESCRIPTION & NONPRESCRIPTION DRUGS 2018 2019". New York: A TARR PERIGEE BOOK, 2017. Text.