(1935). The national geographical magazine: Index (January-June,1935) (ed.). National geographical society.
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Chicago Style (17th ed.) Citation
The National Geographical Magazine: Index (January-June,1935). ed. Washington: National geographical society, 1935.
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MLA引文
The National Geographical Magazine: Index (January-June,1935). ed. National geographical society, 1935.
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警告：這些引文格式不一定是100％准確.