Koppikar, V. (1990). Manual of vocations and careers. Akshay Charitable.
Chicago Style aipamenaKoppikar, V. Manual of Vocations and Careers. Mumbai: Akshay Charitable, 1990.
MLA aipamenaKoppikar, V. Manual of Vocations and Careers. Akshay Charitable, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.