記錄引文
APA引文
Douglas E. M. (1929). Map of Yosemite valley. U. S. Geological Survey.
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Chicago Style (17th ed.) Citation
Douglas E. M. Map of Yosemite Valley. U. S. Geological Survey, 1929.
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MLA引文
Douglas E. M. Map of Yosemite Valley. U. S. Geological Survey, 1929.
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警告：這些引文格式不一定是100％准確.