Dyfyniad APA

COULIN, C. (1966). Step-by-step Perspective Drawing. Van Nostrand Reinhold Company.

Dyfyniad Arddull Chicago

COULIN, Claudius. Step-by-step Perspective Drawing. Van Nostrand Reinhold Company, 1966.

Dyfyniad MLA

COULIN, Claudius. Step-by-step Perspective Drawing. Van Nostrand Reinhold Company, 1966.

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