APA-čujuhus (7. p.)
Walker, D., & Lang, P. (2007). The maverick and the machine: Governor Dan Walker tells his story. Southern Illinois University Press.
Chicago-čujuhus (17. p.)
Walker, Daniel, juo Peggy Lang. The Maverick and the Machine: Governor Dan Walker Tells His Story. Carbondale: Southern Illinois University Press, 2007.
MLA-čujuhus (9. p.)
Walker, Daniel, juo Peggy Lang. The Maverick and the Machine: Governor Dan Walker Tells His Story. Southern Illinois University Press, 2007.
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