Dyfyniad APA

Macginitie, N., & Macginitie, G. E. (1949). Natural history of marine animals. McGraw hill.

Dyfyniad Arddull Chicago

Macginitie, Nettie, and G. E. Macginitie. Natural History of Marine Animals. London: McGraw hill, 1949.

Dyfyniad MLA

Macginitie, Nettie, and G. E. Macginitie. Natural History of Marine Animals. McGraw hill, 1949.

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