Nichols, J. (1892). Condensed history of the construction of the Union Pacific Railway. Klopp, Bartlett.
Chicago Style aipamenaNichols, Joseph. Condensed History of the Construction of the Union Pacific Railway. Omaha, Neb.: Klopp, Bartlett, 1892.
MLA aipamenaNichols, Joseph. Condensed History of the Construction of the Union Pacific Railway. Klopp, Bartlett, 1892.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.