(1991). Haleakalā National Park, Hawaii: Haleakalā map with 3D Maui map, hiking guide with backcountry information. Trails Ill.
Chicago-Zitierstil (17. Ausg.)Haleakalā National Park, Hawaii: Haleakalā Map with 3D Maui Map, Hiking Guide with Backcountry Information. Evergreen, Colo: Trails Ill, 1991.
MLA-Zitierstil (9. Ausg.)Haleakalā National Park, Hawaii: Haleakalā Map with 3D Maui Map, Hiking Guide with Backcountry Information. Trails Ill, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.