Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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