Boyd, R. T. (1996). People of the Dalles: The Indians of Wascopam Mission : a historical ethnography based on the papers of the Methodist missionaries. University of Nebraska Press in cooperation with the American Indian Studies Research Institute, Indiana University, Bloomington.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Boyd, Robert T. People of the Dalles: The Indians of Wascopam Mission : A Historical Ethnography Based on the Papers of the Methodist Missionaries. Lincoln: University of Nebraska Press in cooperation with the American Indian Studies Research Institute, Indiana University, Bloomington, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Boyd, Robert T. People of the Dalles: The Indians of Wascopam Mission : A Historical Ethnography Based on the Papers of the Methodist Missionaries. University of Nebraska Press in cooperation with the American Indian Studies Research Institute, Indiana University, Bloomington, 1996.