Gaya APA
Carrell, D, T., Peterson, C, M. (2007).
Reproductive Endocrinology and Infertility .
Philadelphia:
Elsevier.
Gaya MLA
Carrell, Douglas, T.., Peterson, C., Matthew.
"Reproductive Endocrinology and Infertility".
Philadelphia:
Elsevier,
2007.
Text.