Dyfyniad APA

(1995). Compton's encyclopedia and Fact-index. USA: Compton's learning company.

Dyfyniad Arddull Chicago

Compton's Encyclopedia and Fact-index. USA: Compton's learning company, 1995.

Dyfyniad MLA

Compton's Encyclopedia and Fact-index. USA: Compton's learning company, 1995.

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