Sivaram, C. (2004). Introduction to astrobiology. Universities Press.
Čikaški stil citiranjaSivaram, C. Introduction to Astrobiology. Hyderabad: Universities Press, 2004.
MLA način citiranjaSivaram, C. Introduction to Astrobiology. Universities Press, 2004.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.