Dyfyniad APA

(2006). Personal hygiene in food service. New Jersey: Pearson Education, Inc.

Dyfyniad Arddull Chicago

Personal Hygiene in Food Service. New Jersey: Pearson Education, Inc, 2006.

Dyfyniad MLA

Personal Hygiene in Food Service. New Jersey: Pearson Education, Inc, 2006.

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