Παραπομπή APA

Padmanabhan, T. Gravitation: Foundations and frontiers. New Delhi.

Παραπομπή Chicago Style

Padmanabhan, T. Gravitation: Foundations and Frontiers. 2010: New Delhi.

Παραπομπή MLA

Padmanabhan, T. Gravitation: Foundations and Frontiers. New Delhi.