Dyfyniad APA

Riser, N. W., & Morse, M. P. (1960). Biology of the turbellaria. Mc graw Hill book company.

Dyfyniad Arddull Chicago

Riser, Nathan W., and M Patricia Morse. Biology of the Turbellaria. New Delhi: Mc graw Hill book company, 1960.

Dyfyniad MLA

Riser, Nathan W., and M Patricia Morse. Biology of the Turbellaria. Mc graw Hill book company, 1960.

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