APA aipamena

Roe, J. (1992). The columbia river: A historical tranel guide. Colorado: Fulcrum Publishing.

Chicago Style aipamena

Roe, Joann. The Columbia River: A Historical Tranel Guide. Colorado: Fulcrum Publishing, 1992.

MLA aipamena

Roe, Joann. The Columbia River: A Historical Tranel Guide. Colorado: Fulcrum Publishing, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.