Hitchman, J. H. (1972). The Port of Bellingham, 1920-1970. Western Washington State College, Center for Pacific Northwest Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHitchman, James H. The Port of Bellingham, 1920-1970. [Bellingham]: Western Washington State College, Center for Pacific Northwest Studies, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHitchman, James H. The Port of Bellingham, 1920-1970. Western Washington State College, Center for Pacific Northwest Studies, 1972.
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