APA (7 वां संस्करण) प्रशस्ति पत्र

Greenaway, D., & Lee, M. W. (1948). Tourist expenditures, State of Washington, 1947: A pilot study.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Greenaway, Donald, और Maurice Winthrop Lee. Tourist Expenditures, State of Washington, 1947: A Pilot Study. Pullman, 1948.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Greenaway, Donald, और Maurice Winthrop Lee. Tourist Expenditures, State of Washington, 1947: A Pilot Study. 1948.