Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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