Dyfyniad APA

PEATA. (1997). Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications.

Dyfyniad Arddull Chicago

PEATA. Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications, 1997.

Dyfyniad MLA

PEATA. Handbook and Guide on DC Regulations, 4th Printing. PEATA Publications, 1997.

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