Παραπομπή APA

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

Παραπομπή Chicago Style

Goyal,R.N, και Harmendra Goel. Textbook of Engineering Chemistry. New Delhi: Ane Books, 2008.

Παραπομπή MLA

Goyal,R.N, και Harmendra Goel. Textbook of Engineering Chemistry. Ane Books, 2008.