Παραπομπή APA

Mukherjee S & Kembhavi A K. (1992). Gravitation and cosmology. Wiley eastern.

Παραπομπή Chicago Style

Mukherjee S και Kembhavi A K. Gravitation and Cosmology. N D: Wiley eastern, 1992.

Παραπομπή MLA

Mukherjee S και Kembhavi A K. Gravitation and Cosmology. Wiley eastern, 1992.