Dyfyniad APA

Niering, W. A. (1966). The life of the marsh: The North American wetlands. McGraw-Hill.

Dyfyniad Arddull Chicago

Niering, William A. The Life of the Marsh: The North American Wetlands. New York: McGraw-Hill, 1966.

Dyfyniad MLA

Niering, William A. The Life of the Marsh: The North American Wetlands. McGraw-Hill, 1966.

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