Dyfyniad APA

CASTRO, P. (2016). Marine biology. McGraw-Hill Education.

Dyfyniad Arddull Chicago

CASTRO, Peter. Marine Biology. McGraw-Hill Education, 2016.

Dyfyniad MLA

CASTRO, Peter. Marine Biology. McGraw-Hill Education, 2016.

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