APA aipamena

Bille, T. (1998). Eggs and hatchlings of the Mexican salamander Pseudoeurycea cephalica (Caudata: Plethodontidae).

Chicago Style aipamena

Bille, Thomas. Eggs and Hatchlings of the Mexican Salamander Pseudoeurycea Cephalica (Caudata: Plethodontidae). 1998.

MLA aipamena

Bille, Thomas. Eggs and Hatchlings of the Mexican Salamander Pseudoeurycea Cephalica (Caudata: Plethodontidae). 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.