Dyfyniad APA

California Farm Bureau Federation & Contra Costa County Farm Bureau (Calif.). (1924). Contra Costa County farm bureau monthly. Contra Costa County Farm Bureau.

Dyfyniad Arddull Chicago

California Farm Bureau Federation and Contra Costa County Farm Bureau (Calif.). Contra Costa County Farm Bureau Monthly. Hayward, Calif.: Contra Costa County Farm Bureau, 1924.

Dyfyniad MLA

California Farm Bureau Federation and Contra Costa County Farm Bureau (Calif.). Contra Costa County Farm Bureau Monthly. Contra Costa County Farm Bureau, 1924.

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