Gaya APA

Perry, S., O'Hanlan, K. (1997). Featuring the Latest Studies on Hormone Replacement Therapy: Natural Menopause the Complete Guide . USA: Perseus Publishing.

Gaya MLA

Perry, Susan., O'Hanlan, Kate. "Featuring the Latest Studies on Hormone Replacement Therapy: Natural Menopause the Complete Guide". USA: Perseus Publishing, 1997. Buku Text.