Παραπομπή APA

Koul, L. (1984). Methodology of educational research. Vikas.

Παραπομπή Chicago Style

Koul, Lokesh. Methodology of Educational Research. New Delhi: Vikas, 1984.

Παραπομπή MLA

Koul, Lokesh. Methodology of Educational Research. Vikas, 1984.