Washington State University. Center for Northwest Anthropology, Draper, J. A., & Andrefsky, W., Jr. (1991). Archaeology of the Middle Spokane River Valley: Investigations along the Spokane Centennial Trail. Center for Northwest Anthropology, Dept. of Anthropology, Washington State University.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Washington State University. Center for Northwest Anthropology, John A. Draper, và William Andrefsky, Jr. Archaeology of the Middle Spokane River Valley: Investigations Along the Spokane Centennial Trail. Pullman: Center for Northwest Anthropology, Dept. of Anthropology, Washington State University, 1991.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Washington State University. Center for Northwest Anthropology, et al. Archaeology of the Middle Spokane River Valley: Investigations Along the Spokane Centennial Trail. Center for Northwest Anthropology, Dept. of Anthropology, Washington State University, 1991.