APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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