Gaya APA

Weinberg, N, J, S, D, S. (2012). Guidelines Gastroesophageal Reflux Disease (GERD) . USA: American College of Physicians.

Gaya MLA

Weinberg, Nicholas, J., Shaheen,, David, S.. "Guidelines Gastroesophageal Reflux Disease (GERD)". USA: American College of Physicians, 2012. Koleksi Cetak.