Kolln, M. (1996). Rheotical grammar: Grammatical choices, rhetorical effects (2nd ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Kolln, Martha. Rheotical Grammar: Grammatical Choices, Rhetorical Effects. 2nd ed. Boston: Allyn and Bacon, 1996.
Cita MLA (8th ed.)Kolln, Martha. Rheotical Grammar: Grammatical Choices, Rhetorical Effects. 2nd ed. Allyn and Bacon, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.