Dyfyniad APA

Scheffer, V. B. (1958). Seals, sea lions, and walruses, a review of the pinnipedia.

Dyfyniad Arddull Chicago

Scheffer, Victor B. Seals, Sea Lions, and Walruses, a Review of the Pinnipedia. 1958.

Dyfyniad MLA

Scheffer, Victor B. Seals, Sea Lions, and Walruses, a Review of the Pinnipedia. 1958.

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