Dyfyniad APA

Cragg, J. B. (1964). Advances in ecological research. Academic Press.

Dyfyniad Arddull Chicago

Cragg, J. B. Advances in Ecological Research. London: Academic Press, 1964.

Dyfyniad MLA

Cragg, J. B. Advances in Ecological Research. Academic Press, 1964.

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