Παραπομπή APA

Gaebler, O. (1956). Enzymes: : units of biological structure and function. Academic press.

Παραπομπή Chicago Style

Gaebler, Oliver. Enzymes: : Units of Biological Structure and Function. Newyork: Academic press, 1956.

Παραπομπή MLA

Gaebler, Oliver. Enzymes: : Units of Biological Structure and Function. Academic press, 1956.