Sabin, W. A. (2005). The Gregg reference manual: A manual of style, grammar, usage, and formatting. Boston: McGraw-Hill.
Chicago Stili AlıntıSabin, William A. The Gregg Reference Manual: A Manual of Style, Grammar, Usage, and Formatting. Boston: McGraw-Hill, 2005.
MLA AlıntıSabin, William A. The Gregg Reference Manual: A Manual of Style, Grammar, Usage, and Formatting. Boston: McGraw-Hill, 2005.
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