Dyfyniad APA

Wallace et al, Arsdel Van, Donald K Tressler, & Wallace K Arsdel. (1968). Freezing preservation of foods v.I principels of refrigeration. AVI Publishing co inc.

Dyfyniad Arddull Chicago

Wallace et al, Arsdel Van, Donald K Tressler, and Wallace K Arsdel. Freezing Preservation of Foods V.I Principels of Refrigeration. AVI Publishing co inc, 1968.

Dyfyniad MLA

Wallace et al, et al. Freezing Preservation of Foods V.I Principels of Refrigeration. AVI Publishing co inc, 1968.

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