Preston, R. N., & Preston, M. L. (2000). Oregon ghost towns/sites then and now: Early towns, military roads, early railroads, stage stations, early forts : overlay of modern road system. R.N./M.L. Preston : [Distributed by] Northwest Distributors.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Preston, Ralph N., و M. L. Preston. Oregon Ghost Towns/sites Then and Now: Early Towns, Military Roads, Early Railroads, Stage Stations, Early Forts : Overlay of Modern Road System. [Albany, Or.]: R.N./M.L. Preston : [Distributed by] Northwest Distributors, 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Preston, Ralph N., و M. L. Preston. Oregon Ghost Towns/sites Then and Now: Early Towns, Military Roads, Early Railroads, Stage Stations, Early Forts : Overlay of Modern Road System. R.N./M.L. Preston : [Distributed by] Northwest Distributors, 2000.