Dyfyniad APA

Alfred Sherwood Romer, T. S. P. The vertebrate body. Saunders College Publishing.

Dyfyniad Arddull Chicago

Alfred Sherwood Romer, Thomas S. Parsons. The Vertebrate Body. Saunders College Publishing.

Dyfyniad MLA

Alfred Sherwood Romer, Thomas S. Parsons. The Vertebrate Body. Saunders College Publishing.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.