APA (7e ed.) Bronvermelding

(1980). A course in descriptive geometry / V.O. Gordon, M.A. Semen︠t︡sov-Ogievskii ; translated from the Russian by Leonid Levant ; edited by V.O. Gordon.

Chicago (17e ed.) Bronvermelding

A Course in Descriptive Geometry / V.O. Gordon, M.A. Semen︠t︡sov-Ogievskii ; Translated from the Russian by Leonid Levant ; Edited by V.O. Gordon. 1980.

MLA (9e ed.) Bronvermelding

A Course in Descriptive Geometry / V.O. Gordon, M.A. Semen︠t︡sov-Ogievskii ; Translated from the Russian by Leonid Levant ; Edited by V.O. Gordon. 1980.