Dyfyniad APA

American Society of Civil Engineers. Surveying and Mapping Division. Journal of the Surveying and Mapping Division. American Society of Civil Engineers.

Dyfyniad Arddull Chicago

American Society of Civil Engineers. Surveying and Mapping Division. Journal of the Surveying and Mapping Division. New York: American Society of Civil Engineers.

Dyfyniad MLA

American Society of Civil Engineers. Surveying and Mapping Division. Journal of the Surveying and Mapping Division. American Society of Civil Engineers.

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