Dyfyniad APA

ebrary, Inc, & Curtis, P. A. (2013). Guide to US food laws and regulations (2nd ed.). Wiley-Blackwell.

Dyfyniad Arddull Chicago

ebrary, Inc, and Patricia A. Curtis. Guide to US Food Laws and Regulations. 2nd ed. Chichester, England: Wiley-Blackwell, 2013.

Dyfyniad MLA

ebrary, Inc, and Patricia A. Curtis. Guide to US Food Laws and Regulations. 2nd ed. Wiley-Blackwell, 2013.

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