Não informado. (2010). Research Studies of the State University of Washington. Washington State University.
Čikaški stil citiranja (17. izdanje)Não informado. Research Studies of the State University of Washington. Pullman, Wash: Washington State University, 2010.
MLA način citiranja (8. izdanje)Não informado. Research Studies of the State University of Washington. Washington State University, 2010.
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