Spack, R. (1998). Guidelines: A cross-cultural reading/writing text (2nd ed.). New York: St. Martin's Press.
Trích dẫn kiểu ChicagoSpack, Ruth. Guidelines: A Cross-cultural Reading/writing Text. 2nd ed. New York: St. Martin's Press, 1998.
MLA CitationSpack, Ruth. Guidelines: A Cross-cultural Reading/writing Text. 2nd ed. New York: St. Martin's Press, 1998.
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