Dyfyniad APA

SINGH N B ,DAS S S. (2012). ENGINEERING CHEMISTRY. UNIVERSITIES PRESS.

Dyfyniad Arddull Chicago

SINGH N B ,DAS S S. ENGINEERING CHEMISTRY. NEW DELHI: UNIVERSITIES PRESS, 2012.

Dyfyniad MLA

SINGH N B ,DAS S S. ENGINEERING CHEMISTRY. UNIVERSITIES PRESS, 2012.

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