Dyfyniad APA

Lewis, K. B. (1970). A key to the Recent genera of the Foraminiferida. New Zealand Oceanographic Institute.

Dyfyniad Arddull Chicago

Lewis, K. B. A Key to the Recent Genera of the Foraminiferida. [Wellington]: New Zealand Oceanographic Institute, 1970.

Dyfyniad MLA

Lewis, K. B. A Key to the Recent Genera of the Foraminiferida. New Zealand Oceanographic Institute, 1970.

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