Swarbrooke, J. (1998). Sustainable tourism management. New York: CABI Pub..
Chicago Style aipamenaSwarbrooke, John. Sustainable Tourism Management. New York: CABI Pub., 1998.
MLA aipamenaSwarbrooke, John. Sustainable Tourism Management. New York: CABI Pub., 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.