APA-čujuhus (7. p.)
Hopper, K., & Hopper, W. J. (2007). The Puritan gift: Triumph, collapse and revival of an American dream. I. B. Tauris.
Chicago-čujuhus (17. p.)
Hopper, Kenneth, juo W. J. Hopper. The Puritan Gift: Triumph, Collapse and Revival of an American Dream. London: I. B. Tauris, 2007.
MLA-čujuhus (9. p.)
Hopper, Kenneth, juo W. J. Hopper. The Puritan Gift: Triumph, Collapse and Revival of an American Dream. I. B. Tauris, 2007.
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