Παραπομπή APA

Gorshkov, G., & Yakushova, A. (1967). Physical geology. Mir publication.

Παραπομπή Chicago Style

Gorshkov, G., και A. Yakushova. Physical Geology. Moscow: Mir publication, 1967.

Παραπομπή MLA

Gorshkov, G., και A. Yakushova. Physical Geology. Mir publication, 1967.