APA-ийн эшлэл(7 дахь хэвлэлт)

(1995). Above the Rockies: Through digital eyes ; Heart of the Rockies 1:2 847 000 = Heart of the Rockies. National Geographic Society.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Above the Rockies: Through Digital Eyes ; Heart of the Rockies 1:2 847 000 = Heart of the Rockies. Washington: National Geographic Society, 1995.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Above the Rockies: Through Digital Eyes ; Heart of the Rockies 1:2 847 000 = Heart of the Rockies. National Geographic Society, 1995.