Cita APA (7th ed.)

Kumar, A. (1999). Learner performance in distance education. Commonwealth.

Cita Chicago (17th ed.)

Kumar, Anil. Learner Performance in Distance Education. New Delhi: Commonwealth, 1999.

Cita MLA (9th ed.)

Kumar, Anil. Learner Performance in Distance Education. Commonwealth, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.