Gaya APA

J., D, G, L. (2010). Endocrinology Adult and Pediatric: The Thyroid Gland (6th ed). Philadelphia: Elsevier Saunders.

Gaya MLA

J., De, Groot,, Leslie. "Endocrinology Adult and Pediatric: The Thyroid Gland". 6th ed Philadelphia: Elsevier Saunders, 2010. Text.