Dyfyniad APA

Ella Thea Smith. (1959). Exploring biology: The science of living things. New York: Harper, Brace and World.

Dyfyniad Arddull Chicago

Ella Thea Smith. Exploring Biology: The Science of Living Things. New York: Harper, Brace and World, 1959.

Dyfyniad MLA

Ella Thea Smith. Exploring Biology: The Science of Living Things. New York: Harper, Brace and World, 1959.

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