Pacific Asia Travel Association. Pacific Division & Bookmark Biosphere Trust. (1996). Tourism through conservation, the Bookmark way. Pacific Asia Travel Association, Pacific Division.
Chicago-Zitierstil (17. Ausg.)Pacific Asia Travel Association. Pacific Division und Bookmark Biosphere Trust. Tourism Through Conservation, the Bookmark Way. Kings Cross, NSW: Pacific Asia Travel Association, Pacific Division, 1996.
MLA-Zitierstil (8. Ausg.)Pacific Asia Travel Association. Pacific Division und Bookmark Biosphere Trust. Tourism Through Conservation, the Bookmark Way. Pacific Asia Travel Association, Pacific Division, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.