Παραπομπή APA

Malik, R., & Dhinsre, K. Manual of petro-chemicals, greases and lubricants. Small industry research institute.

Παραπομπή Chicago Style

Malik, R.K, και K.C Dhinsre. Manual of Petro-chemicals, Greases and Lubricants. Delhi: Small industry research institute.

Παραπομπή MLA

Malik, R.K, και K.C Dhinsre. Manual of Petro-chemicals, Greases and Lubricants. Small industry research institute.