Greenaway, D., & Lee, M. W. (1948). Tourist expenditures, State of Washington, 1947: A pilot study.
Čikaški stil citiranja (17. izdanje)Greenaway, Donald, i Maurice Winthrop Lee. Tourist Expenditures, State of Washington, 1947: A Pilot Study. Pullman, 1948.
MLA način citiranja (8. izdanje)Greenaway, Donald, i Maurice Winthrop Lee. Tourist Expenditures, State of Washington, 1947: A Pilot Study. 1948.
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