Amal Kumar Harh. (2001). Knowing a negative fact: Anupalabdhi. New Bharatiya Book Corporation.
Čikaški stil citiranjaAmal Kumar Harh. Knowing a Negative Fact: Anupalabdhi. New Delhi: New Bharatiya Book Corporation, 2001.
MLA način citiranjaAmal Kumar Harh. Knowing a Negative Fact: Anupalabdhi. New Bharatiya Book Corporation, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.