APA استشهاد

Gurtu, J. N., & Kapoor, R. R. (1991). I I T. chemistry: For all engineering competetive examination. S. Chand.

استشهاد بنمط شيكاغو

Gurtu, J N., و R Rana Kapoor. I I T. Chemistry: For All Engineering Competetive Examination. New Delhi: S. Chand, 1991.

MLA استشهاد

Gurtu, J N., و R Rana Kapoor. I I T. Chemistry: For All Engineering Competetive Examination. S. Chand, 1991.