Hart, A. D. (1988). 15 principles for achieving happiness. Word Pub..
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Chicago Style (17th ed.) Citation
Hart, Archibald D. 15 Principles for Achieving Happiness. Dallas, Tex.: Word Pub., 1988.
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MLA引文
Hart, Archibald D. 15 Principles for Achieving Happiness. Word Pub., 1988.
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警告：這些引文格式不一定是100％准確.