Gaya APA

Flint, P., W., Lesperance, M., M. (2015). Cummings Pediatrics Otolartngology . Philadelpia: Elsevier.

Gaya MLA

Flint, P., W., Lesperance, M., M.. Cummings Pediatrics Otolartngology. Philadelpia: Elsevier, 2015. Text.