Gaya APA

McMahon, M., C., Stryjewski, G., R. (2011). Pediatrics: A Competency-Based Companion . Philadelpia: Philadelpia.

Gaya MLA

McMahon, M., C., Stryjewski, G., R.. Pediatrics: A Competency-Based Companion. Philadelpia: Philadelpia, 2011. Text.