Dyfyniad APA

Freeman, W. H., & Bracegirdle, B. (1971). Atlas of invertebrate structure. Heinemann education books.

Dyfyniad Arddull Chicago

Freeman, W. H., and Brian Bracegirdle. Atlas of Invertebrate Structure. London: Heinemann education books, 1971.

Dyfyniad MLA

Freeman, W. H., and Brian Bracegirdle. Atlas of Invertebrate Structure. Heinemann education books, 1971.

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