Παραπομπή σε μορφή APA (7η εκδ.)

Huybers, T., & Bennett, J. (2002). Environmental management and the competitivesness of nature-based tourism destinations. Edward Elgar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Huybers, Twan, και Jeff Bennett. Environmental Management and the Competitivesness of Nature-based Tourism Destinations. Cheltenham, UK: Edward Elgar, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Huybers, Twan, και Jeff Bennett. Environmental Management and the Competitivesness of Nature-based Tourism Destinations. Edward Elgar, 2002.