Παραπομπή σε μορφή APA (7η εκδ.)

Apostolopoulos, Y., & Gayle, D. J. (2002). Island tourism and sustainable development: Caribbean, Pacific, and Mediterranean experiences. Praeger.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Apostolopoulos, Yiorgos, και Dennis John Gayle. Island Tourism and Sustainable Development: Caribbean, Pacific, and Mediterranean Experiences. Westport, Conn.: Praeger, 2002.

Παραπομπή σε μορφή MLA (8th εκδ.)

Apostolopoulos, Yiorgos, και Dennis John Gayle. Island Tourism and Sustainable Development: Caribbean, Pacific, and Mediterranean Experiences. Praeger, 2002.