(1994). The world of science. S. Chand.
Cita Chicago (17th ed.)The World of Science. New Delhi: S. Chand, 1994.
Cita MLA (9th ed.)The World of Science. S. Chand, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)