Kværne, P. (1973). A Norwegian traveller in Tibet: Theo Sörensen and the Tibetan collection at the Oslo University Library. Mañjuśrī Pub. House.
Chicago Style aipamenaKværne, Per. A Norwegian Traveller in Tibet: Theo Sörensen and the Tibetan Collection at the Oslo University Library. New Delhi: Mañjuśrī Pub. House, 1973.
MLA aipamenaKværne, Per. A Norwegian Traveller in Tibet: Theo Sörensen and the Tibetan Collection at the Oslo University Library. Mañjuśrī Pub. House, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.