Forbes, C. (1975). Avalanche Express. Collins.
Chicago Style aipamenaForbes, Colin. Avalanche Express. London: Collins, 1975.
MLA aipamenaForbes, Colin. Avalanche Express. Collins, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Forbes, C. (1975). Avalanche Express. Collins.
Chicago Style aipamenaForbes, Colin. Avalanche Express. London: Collins, 1975.
MLA aipamenaForbes, Colin. Avalanche Express. Collins, 1975.