Gordon V. O. & Sementsov-ogievskii, M. A. (1980). Course in descriptive geometry ed by V O Gordon and tr by Leonid Levant (3rd ed.). Mir pubs.
Chicago Edition CitationGordon V. O. and M. A. Sementsov-ogievskii. Course in Descriptive Geometry Ed by V O Gordon and Tr by Leonid Levant. 3rd ed. Moscow: Mir pubs, 1980.
MLA Edition CitationGordon V. O. and M. A. Sementsov-ogievskii. Course in Descriptive Geometry Ed by V O Gordon and Tr by Leonid Levant. 3rd ed. Mir pubs, 1980.
Warning: These citations may not always be 100% accurate.