Kumar, V. (2003). Human skills I. Himalaya Publishing House.
Chicago Style aipamenaKumar, Vipan. Human Skills I. Mumbai: Himalaya Publishing House, 2003.
MLA aipamenaKumar, Vipan. Human Skills I. Himalaya Publishing House, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.