Bahl, R. (2012). Superpower? Penguin.
Cita Chicago (17th ed.)Bahl, Raghav. Superpower? New Delhi: Penguin, 2012.
Cita MLA (9th ed.)Bahl, Raghav. Superpower? Penguin, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)