Campbell, E. H. (1956). Franchises in the State of Washington. Published by Bureau of Governmental Research and Services, University of Washington; distributed by University of Washington Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Campbell, Ernest H. Franchises in the State of Washington. Seattle: Published by Bureau of Governmental Research and Services, University of Washington; distributed by University of Washington Press, 1956.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Campbell, Ernest H. Franchises in the State of Washington. Published by Bureau of Governmental Research and Services, University of Washington; distributed by University of Washington Press, 1956.
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