Gaya APA

Best, J, W., Kahn, J, V. (2002). Research in education (9 th, 15th Ed.). New Delhi: Prentice-Hall of India Private Limietd.

Gaya MLA

Best, John, W.., Kahn, James, V.. "Research in education". 9 th, 15th Ed. New Delhi: Prentice-Hall of India Private Limietd, 2002. Text.