Dyfyniad APA

Poor, H. W., & Poor, H. V. Poor's handbook of investment securities: A supplement to Poor's manual of railroads.

Dyfyniad Arddull Chicago

Poor, Henry W., and Henry Varnum Poor. Poor's Handbook of Investment Securities: A Supplement to Poor's Manual of Railroads.

Dyfyniad MLA

Poor, Henry W., and Henry Varnum Poor. Poor's Handbook of Investment Securities: A Supplement to Poor's Manual of Railroads.

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