Dyfyniad APA

Andrews, W. H., Wilson, C. R., Romero, A., & Poelma, P. L. (1975). The Moroccan Food Snail, Helix aspersa, as a Source of Salmonella.

Dyfyniad Arddull Chicago

Andrews, Wallace H., Clyde R. Wilson, Aida Romero, and Paul L. Poelma. The Moroccan Food Snail, Helix Aspersa, As a Source of Salmonella. 1975.

Dyfyniad MLA

Andrews, Wallace H., Clyde R. Wilson, Aida Romero, and Paul L. Poelma. The Moroccan Food Snail, Helix Aspersa, As a Source of Salmonella. 1975.

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