Sabin, W. A. (2005). The Gregg reference manual: A manual of style, grammar, usage, and formatting (10th ed.). Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoSabin, William A. The Gregg Reference Manual: A Manual of Style, Grammar, Usage, and Formatting. 10th ed. Boston: McGraw-Hill, 2005.
MLA CitationSabin, William A. The Gregg Reference Manual: A Manual of Style, Grammar, Usage, and Formatting. 10th ed. Boston: McGraw-Hill, 2005.
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