Samuel, W. W. E. (2006). Coming to Colorado: A young immigrant's journey to become an American flyer. University Press of Mississippi.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSamuel, Wolfgang W. E. Coming to Colorado: A Young Immigrant's Journey to Become an American Flyer. Jackson: University Press of Mississippi, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSamuel, Wolfgang W. E. Coming to Colorado: A Young Immigrant's Journey to Become an American Flyer. University Press of Mississippi, 2006.
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