Παραπομπή APA

Kochhar S K. (1987). Educational and vocational guidance in secondary school. Sterling.

Παραπομπή Chicago Style

Kochhar S K. Educational and Vocational Guidance in Secondary School. New Delhi: Sterling, 1987.

Παραπομπή MLA

Kochhar S K. Educational and Vocational Guidance in Secondary School. Sterling, 1987.