APA (7e ed.) Bronvermelding
ebrary, Inc, Buckley, R., & Font, X. (2001). Tourism ecolabelling: Certification and promotion of sustainable management. CABI Pub..
Chicago (17e ed.) Bronvermelding
ebrary, Inc, Ralf Buckley, en Xavier Font. Tourism Ecolabelling: Certification and Promotion of Sustainable Management. Wallingford, Oxon ; New York: CABI Pub., 2001.
MLA (9e ed.) Bronvermelding
ebrary, Inc, et al. Tourism Ecolabelling: Certification and Promotion of Sustainable Management. CABI Pub., 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.