Alan M. Voorhees & Associates. (1970). A transit development program for Spokane: Prepared for the City of Spokane. Voorhees.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAlan M. Voorhees & Associates. A Transit Development Program for Spokane: Prepared for the City of Spokane. San Diego, Calif.: Voorhees, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAlan M. Voorhees & Associates. A Transit Development Program for Spokane: Prepared for the City of Spokane. Voorhees, 1970.
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