Dyfyniad APA

Goyal, R. N., & Goyal, H. (2008). Textbook of engineering chemistry. Ane Books India.

Dyfyniad Arddull Chicago

Goyal, R. N., and Hamendra Goyal. Textbook of Engineering Chemistry. Chennai: Ane Books India, 2008.

Dyfyniad MLA

Goyal, R. N., and Hamendra Goyal. Textbook of Engineering Chemistry. Ane Books India, 2008.

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