Dyfyniad APA

Tressler, D. (1968). The freezing preservation of foods. Avi.

Dyfyniad Arddull Chicago

Tressler, Donald. The Freezing Preservation of Foods. Conneticut: Avi, 1968.

Dyfyniad MLA

Tressler, Donald. The Freezing Preservation of Foods. Avi, 1968.

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