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APA Zitierstil

Cressman, L. S., & Back, R. H. (1936). Archaeological survey of the Guano valley region in southeastern Oregon. Eugene, Or.: University of Oregon.

Chicago Zitierstil

Cressman, Luther Sheeleigh, and Roscius H. Back. Archaeological Survey of the Guano Valley Region in Southeastern Oregon. Eugene, Or.: University of Oregon, 1936.

MLA Zitierstil

Cressman, Luther Sheeleigh, and Roscius H. Back. Archaeological Survey of the Guano Valley Region in Southeastern Oregon. Eugene, Or.: University of Oregon, 1936.