Cita APA

Ramakumar, R., & Gopal, Y. S. (1986). Technical demography. New Delhi: Wiley Eastern Limited.

Citación estilo Chicago

Ramakumar, R., y Y. S. Gopal. Technical Demography. New Delhi: Wiley Eastern Limited, 1986.

Cita MLA

Ramakumar, R., y Y. S. Gopal. Technical Demography. New Delhi: Wiley Eastern Limited, 1986.