Sakolski, A. M. (1921). Railroad securities: A course of study with references. Doubleday, Page & company for Investment bankers association of America.
Lua i Stíl Chicago (17ú heag.)Sakolski, Aaron M. Railroad Securities: A Course of Study with References. New York: Doubleday, Page & company for Investment bankers association of America, 1921.
Lua MLA (8ú heag.)Sakolski, Aaron M. Railroad Securities: A Course of Study with References. Doubleday, Page & company for Investment bankers association of America, 1921.
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