Παραπομπή APA

Rohatgi Manila. (2007). Spy system in Ancient India. Kalpaz.

Παραπομπή Chicago Style

Rohatgi Manila. Spy System in Ancient India. Delhi: Kalpaz, 2007.

Παραπομπή MLA

Rohatgi Manila. Spy System in Ancient India. Kalpaz, 2007.