Dyfyniad APA

Niering, W. A. (1966). Life of the Marsh: The North American Wetlands. Mc Graw- Hill Book Company Inc.

Dyfyniad Arddull Chicago

Niering, Willilam A. Life of the Marsh: The North American Wetlands. New York: Mc Graw- Hill Book Company Inc, 1966.

Dyfyniad MLA

Niering, Willilam A. Life of the Marsh: The North American Wetlands. Mc Graw- Hill Book Company Inc, 1966.

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