Citace podle APA (7th ed.)
Haeger, J. D. (1991). John Jacob Astor: Business and Finance in the Early Republic. Wayne State University Press.
Citace podle Chicago (17th ed.)
Haeger, John D. John Jacob Astor: Business and Finance in the Early Republic. Detroit: Wayne State University Press, 1991.
Citace podle MLA (9th ed.)
Haeger, John D. John Jacob Astor: Business and Finance in the Early Republic. Wayne State University Press, 1991.
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