Dyfyniad APA

Harless, M., & Morlock, H. (1960). Turtles: Perspectives and research. John wiley and sons.

Dyfyniad Arddull Chicago

Harless, Marion, and Henry Morlock. Turtles: Perspectives and Research. New York: John wiley and sons, 1960.

Dyfyniad MLA

Harless, Marion, and Henry Morlock. Turtles: Perspectives and Research. John wiley and sons, 1960.

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