Dyfyniad APA

Herren, R. V. (2007). The science of animal agriculture. Clifton Park, NY: Delmar.

Dyfyniad Arddull Chicago

Herren, Ray V. The Science of Animal Agriculture. Clifton Park, NY: Delmar, 2007.

Dyfyniad MLA

Herren, Ray V. The Science of Animal Agriculture. Clifton Park, NY: Delmar, 2007.

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