Royster, J. J., & Lester, M. (1996). Close Writer's choice grammar workbook. 11. Glencoe.
Čikaški stil citiranja (17. izdanje)Royster, Jacqueline Jones, i Mark Lester. Close Writer's Choice Grammar Workbook. 11. New York: Glencoe, 1996.
MLA način citiranja (8. izdanje)Royster, Jacqueline Jones, i Mark Lester. Close Writer's Choice Grammar Workbook. 11. Glencoe, 1996.
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