Dyfyniad APA

(1983). Handbook Of Architectural And Civil Drafting/nelson John A. Van Nostrand Reinhold Company.

Dyfyniad Arddull Chicago

Handbook Of Architectural And Civil Drafting/nelson John A. Van Nostrand Reinhold Company, 1983.

Dyfyniad MLA

Handbook Of Architectural And Civil Drafting/nelson John A. Van Nostrand Reinhold Company, 1983.

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