Dyfyniad APA

(1982). Basic Architectural Drafting Paul I. Walach. South-Western Publishing.

Dyfyniad Arddull Chicago

Basic Architectural Drafting Paul I. Walach. South-Western Publishing, 1982.

Dyfyniad MLA

Basic Architectural Drafting Paul I. Walach. South-Western Publishing, 1982.

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