Blumenthal, J. C. (1994). English 3200 with writing applications: A programmed course in grammar and usage (4th college ed.). Harcourt Brace College Publishers.
Čikaški stil citiranja (17. izdanje)Blumenthal, Joseph C. English 3200 with Writing Applications: A Programmed Course in Grammar and Usage. 4th college ed. Fort Worth, Texas: Harcourt Brace College Publishers, 1994.
MLA način citiranja (9. izdanje)Blumenthal, Joseph C. English 3200 with Writing Applications: A Programmed Course in Grammar and Usage. 4th college ed. Harcourt Brace College Publishers, 1994.
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