Whitley, M. S. (2002). Spanish-English contrasts: A course in Spanish Linguistics (2a. ed.). Georgetown University Press.
Čikaški stil citiranja (17. izdanje)Whitley, M. Stanley. Spanish-English Contrasts: A Course in Spanish Linguistics. 2a. ed. Washington, D.C: Georgetown University Press, 2002.
MLA način citiranja (9. izdanje)Whitley, M. Stanley. Spanish-English Contrasts: A Course in Spanish Linguistics. 2a. ed. Georgetown University Press, 2002.
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