Porter, John (1979). «Bandaka and Changabang»(PDF). American Alpine Journal. New York, New York, US: American Alpine Club. 22 (53): 29–35. ISSN0065-6925.. (available also internet version, see External links)
Porter, John (1979). «Bandaka and Changabang»(PDF). American Alpine Journal. New York, New York, US: American Alpine Club. 22 (53): 29–35. ISSN0065-6925.. (available also internet version, see External links)