APA-ийн эшлэл(7 дахь хэвлэлт)

Campbell, R. (2007). In darkest Alaska: Travel and empire along the Inside Passage. University of Pennsylvania Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Campbell, Robert. In Darkest Alaska: Travel and Empire Along the Inside Passage. Philadelphia: University of Pennsylvania Press, 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Campbell, Robert. In Darkest Alaska: Travel and Empire Along the Inside Passage. University of Pennsylvania Press, 2007.