Hansen, R., & Elson, F. A beginner's geology of the Spokane area. Spokane Area Community Resources Workshop.
Style de citation Chicago (17e éd.)Hansen, Rosella, et Frances Elson. A Beginner's Geology of the Spokane Area. Spokane: Spokane Area Community Resources Workshop.
Style de citation MLA (8e éd.)Hansen, Rosella, et Frances Elson. A Beginner's Geology of the Spokane Area. Spokane Area Community Resources Workshop.
Attention : ces citations peuvent ne pas être correctes à 100%.