Citazione APA

Gordon, V. O., & Sementsov-Ogievskii, M. A. (1980). Course in descriptive geometry. Mir.

Stile di citazione Chicago

Gordon, V. O., e M. A. Sementsov-Ogievskii. Course in Descriptive Geometry. Moscow: Mir, 1980.

Citazione MLA

Gordon, V. O., e M. A. Sementsov-Ogievskii. Course in Descriptive Geometry. Mir, 1980.