Cita APA

Mehrotra, . P. V., Mehrotra, . R. N., & Sukhia, S. P. (1966). Elements of educational research (2.). Allied Publishers (P) LTD.

Chicago Edition Citation

Mehrotra, P V., R N. Mehrotra, i S P. Sukhia. Elements of Educational Research. 2. Bombay: Allied Publishers (P) LTD, 1966.

Cita MLA

Mehrotra, P V., et al. Elements of Educational Research. 2. Allied Publishers (P) LTD, 1966.