Dyfyniad APA

Sewell, R. B. S. (1971). The free-swimming planktonic copepoda. British Museum.

Dyfyniad Arddull Chicago

Sewell, R. B. Seymour. The Free-swimming Planktonic Copepoda. London, U.K: British Museum, 1971.

Dyfyniad MLA

Sewell, R. B. Seymour. The Free-swimming Planktonic Copepoda. British Museum, 1971.

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