Cita APA (7th ed.)
Singh, N. B., Das, S. S., & Singh, A. K. (2009). Physical chemistry. New Age International.
Cita Chicago (17th ed.)
Singh, N. B., Shiva Saran Das, i A. K. Singh. Physical Chemistry. New Delhi: New Age International, 2009.
Cita MLA (9th ed.)
Singh, N. B., et al. Physical Chemistry. New Age International, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.