Gaya APA

Ledbetter, D, J., Johnson, P, R. (2018). Endocrine Surgery in Children (1st ed. 2018). New york: Springer International Publishing.

Gaya MLA

Ledbetter, Daniel, J.., Johnson, Paul, R.V.. "Endocrine Surgery in Children". 1st ed. 2018 New york: Springer International Publishing, 2018. Text.