(2004). Wilderness and human communities: The spirit of the 21st century ; proceedings from the 7th World Wilderness Congress, Port Elizabeth, South Africa. Fulcrum Publ.
Chicago-Zitierstil (17. Ausg.)Wilderness and Human Communities: The Spirit of the 21st Century ; Proceedings from the 7th World Wilderness Congress, Port Elizabeth, South Africa. Golden, Colo: Fulcrum Publ, 2004.
MLA-Zitierstil (9. Ausg.)Wilderness and Human Communities: The Spirit of the 21st Century ; Proceedings from the 7th World Wilderness Congress, Port Elizabeth, South Africa. Fulcrum Publ, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.