Παραπομπή APA

(2009). Herbal medicinals: A clinician`s guide. Viva.

Παραπομπή Chicago Style

Herbal Medicinals: A Clinician`s Guide. New Delhi: Viva, 2009.

Παραπομπή MLA

Herbal Medicinals: A Clinician`s Guide. Viva, 2009.