APA-ийн эшлэл(7 дахь хэвлэлт)

Webb, R. L. (1988). On the Northwest: Commercial whaling in the Pacific Northwest, 1790-1967. University of British Columbia Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Webb, Robert Lloyd. On the Northwest: Commercial Whaling in the Pacific Northwest, 1790-1967. Vancouver: University of British Columbia Press, 1988.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Webb, Robert Lloyd. On the Northwest: Commercial Whaling in the Pacific Northwest, 1790-1967. University of British Columbia Press, 1988.