APA (7th ed.) Zitazioa

(2000). PDR for herbal medicines (2nd ed.). Medical Economics.

Chicago Style (17th ed.) Zitazioa

PDR for Herbal Medicines. 2nd ed. Montvale : N. J.: Medical Economics, 2000.

MLA (9th ed.) Zitazioa

PDR for Herbal Medicines. 2nd ed. Medical Economics, 2000.