Dyfyniad APA

RANA B C. (2005). ENGINEERING DRAWING. PEARSON EDUCATION.

Dyfyniad Arddull Chicago

RANA B C. ENGINEERING DRAWING. NEW DELHI: PEARSON EDUCATION, 2005.

Dyfyniad MLA

RANA B C. ENGINEERING DRAWING. PEARSON EDUCATION, 2005.

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