Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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