Babson, R. W. (1914). Bonds and stocks; the elements of successful investing. Babson's statistical organization.
Lua i Stíl Chicago (17ú heag.)Babson, Roger Ward. Bonds and Stocks; the Elements of Successful Investing. Wellesley Hill, Mass: Babson's statistical organization, 1914.
Lua MLA (9ú heag.)Babson, Roger Ward. Bonds and Stocks; the Elements of Successful Investing. Babson's statistical organization, 1914.
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