Dyfyniad APA

Journal of ASFMRA. American Society of Farm Managers and Rural Appraisers (ASFMRA).

Dyfyniad Arddull Chicago

Journal of ASFMRA. American Society of Farm Managers and Rural Appraisers (ASFMRA).

Dyfyniad MLA

Journal of ASFMRA. American Society of Farm Managers and Rural Appraisers (ASFMRA).

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