APA-čujuhus (7. p.)
Rishel, J. F. (1990). Founding families of Pittsburgh: The evolution of a regional elite, 1760-1910. University of Pittsburgh Press.
Chicago-čujuhus (17. p.)
Rishel, Joseph Francis. Founding Families of Pittsburgh: The Evolution of a Regional Elite, 1760-1910. Pittsburgh: University of Pittsburgh Press, 1990.
MLA-čujuhus (9. p.)
Rishel, Joseph Francis. Founding Families of Pittsburgh: The Evolution of a Regional Elite, 1760-1910. University of Pittsburgh Press, 1990.
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