Dyfyniad APA

Dance, S. P. (1976). The collector's encyclopedia of shells (2d ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Dance, S. Peter. The Collector's Encyclopedia of Shells. 2d ed. New York: McGraw-Hill, 1976.

Dyfyniad MLA

Dance, S. Peter. The Collector's Encyclopedia of Shells. 2d ed. McGraw-Hill, 1976.

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