Gaya APA

Superko, R., Tucker, L. (2003). Before The Heart Attacks: A Revolutionary Approach to Detecting, Preventing, and Even Reversing Heart Disease . United States of America: A Plume Book.

Gaya MLA

Superko, Robert., Tucker, Laura. "Before The Heart Attacks: A Revolutionary Approach to Detecting, Preventing, and Even Reversing Heart Disease". United States of America: A Plume Book, 2003. Buku Text.