Spence , W. P. (1980). Drafting: Technology and practice. Bennett publishing.
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芝加哥风格引文
Spence , William P. Drafting: Technology and Practice. Peoria: Bennett publishing, 1980.
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MLA引文
Spence , William P. Drafting: Technology and Practice. Bennett publishing, 1980.
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警告：这些引文格式不一定是100％准确.