APA-viite (7. p.)
Webb, R. L. (1988). On the Northwest: Commercial whaling in the Pacific Northwest, 1790-1967. University of British Columbia Press.
Chicago-viite (17. p.)
Webb, Robert Lloyd. On the Northwest: Commercial Whaling in the Pacific Northwest, 1790-1967. Vancouver: University of British Columbia Press, 1988.
MLA-viite (9. p.)
Webb, Robert Lloyd. On the Northwest: Commercial Whaling in the Pacific Northwest, 1790-1967. University of British Columbia Press, 1988.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.