Fromkin, V., & Rodman, R. (1998). An introduction to language (6th ed.). Harcourt Brace College Publishers.
Chicago-viite (17. p.)Fromkin, Victoria, ja Robert Rodman. An Introduction to Language. 6th ed. Fort Worth: Harcourt Brace College Publishers, 1998.
MLA-viite (8. p.)Fromkin, Victoria, ja Robert Rodman. An Introduction to Language. 6th ed. Harcourt Brace College Publishers, 1998.
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