Papola, T. S. (1983). Development of hill areas: Issues and approaches. Himalaya publishing house.
Chicago Style aipamenaPapola, T S. Development of Hill Areas: Issues and Approaches. Bombay: Himalaya publishing house, 1983.
MLA aipamenaPapola, T S. Development of Hill Areas: Issues and Approaches. Himalaya publishing house, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.