APA-čujuhus (7. p.)
Ryan, J. E. (2009). Imaginary friends: Representing Quakers in American culture, 1650-1950. University of Wisconsin Press.
Chicago-čujuhus (17. p.)
Ryan, James Emmett. Imaginary Friends: Representing Quakers in American Culture, 1650-1950. Madison, Wis.: University of Wisconsin Press, 2009.
MLA-čujuhus (9. p.)
Ryan, James Emmett. Imaginary Friends: Representing Quakers in American Culture, 1650-1950. University of Wisconsin Press, 2009.
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