記錄引文
APA引文
Piper, J. (2007). Don't waste your time. Crossway Books.
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Chicago Style (17th ed.) Citation
Piper, John. Don't Waste Your Time. Wheaton, Ill.: Crossway Books, 2007.
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MLA引文
Piper, John. Don't Waste Your Time. Crossway Books, 2007.
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警告：這些引文格式不一定是100％准確.