McClanahan, S. D., & Amstutz, D. D. (1988). Steck-Vaughn GED writing skills: Mechanics, usage, sentence structure. Steck-Vaughn Co..
Chicagoスタイル(17版)引用形式McClanahan, Susan D., , Donna D. Amstutz. Steck-Vaughn GED Writing Skills: Mechanics, Usage, Sentence Structure. Austin, TX: Steck-Vaughn Co., 1988.
MLA(8版)引用形式McClanahan, Susan D., , Donna D. Amstutz. Steck-Vaughn GED Writing Skills: Mechanics, Usage, Sentence Structure. Steck-Vaughn Co., 1988.
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