APA ציטוט

Robert S Mc Ewen. (1957). Vertebrate embryology (4.). Henry holt and Co.

Chicago Edition Citation

Robert S Mc Ewen. Vertebrate Embryology. 4. Henry holt and Co, 1957.

ציטוט MLA

Robert S Mc Ewen. Vertebrate Embryology. 4. Henry holt and Co, 1957.