Gaya APA

Hay, W, W, E, A. (2009). Current Diagnosis and Treatment Pediatrics 19th Edition (19). USA: The Mc Graw-Hill Companies.

Gaya MLA

Hay, William, W., Et, Al. "Current Diagnosis and Treatment Pediatrics 19th Edition". 19 USA: The Mc Graw-Hill Companies, 2009. Teks (Text).