Webb, R. L. (1988). On the Northwest: Commercial whaling in the Pacific Northwest, 1790-1967. University of British Columbia Press.
Citação norma ChicagoWebb, Robert Lloyd. On the Northwest: Commercial Whaling in the Pacific Northwest, 1790-1967. Vancouver: University of British Columbia Press, 1988.
Citação norma MLAWebb, Robert Lloyd. On the Northwest: Commercial Whaling in the Pacific Northwest, 1790-1967. University of British Columbia Press, 1988.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.