Παραπομπή APA

N S Assali. (1968). Biology of gestation.v.2. Academic press.

Παραπομπή Chicago Style

N S Assali. Biology of Gestation.v.2. Academic press, 1968.

Παραπομπή MLA

N S Assali. Biology of Gestation.v.2. Academic press, 1968.