Laskas, J. M. (2012). Hidden America: From coal miners to cowboys, an extraordinary exploration of the unseen people who make this country work. G.P. Putnam's Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLaskas, Jeanne Marie. Hidden America: From Coal Miners to Cowboys, an Extraordinary Exploration of the Unseen People Who Make This Country Work. New York: G.P. Putnam's Sons, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLaskas, Jeanne Marie. Hidden America: From Coal Miners to Cowboys, an Extraordinary Exploration of the Unseen People Who Make This Country Work. G.P. Putnam's Sons, 2012.
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