Dyfyniad APA

National Committee on Agricultural Services (Canada), Agricultural Institute of Canada, & Canadian Society of Technical Agriculturists. Scientific agriculture. National Committee on Agricultural Services [etc.].

Dyfyniad Arddull Chicago

National Committee on Agricultural Services (Canada), Agricultural Institute of Canada, and Canadian Society of Technical Agriculturists. Scientific Agriculture. Ottawa [etc.]: National Committee on Agricultural Services [etc.].

Dyfyniad MLA

National Committee on Agricultural Services (Canada), et al. Scientific Agriculture. National Committee on Agricultural Services [etc.].

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