APA-čujuhus (7. p.)
Cocks, C., Holloran, P. C., & Lessoff, A. (2009). The A to Z of the Progressive Era. Scarecrow Press.
Chicago-čujuhus (17. p.)
Cocks, Catherine, Peter C. Holloran, juo Alan Lessoff. The A to Z of the Progressive Era. Lanham, MD: Scarecrow Press, 2009.
MLA-čujuhus (9. p.)
Cocks, Catherine, et al. The A to Z of the Progressive Era. Scarecrow Press, 2009.
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