Dyfyniad APA

Rozenfeld, B. A., & Sergeeva, N. D. (1977). Stereographic projection. Mir Publishers.

Dyfyniad Arddull Chicago

Rozenfeld, B. A., and Nadezhda Dmitrievna Sergeeva. Stereographic Projection. Moscow: Mir Publishers, 1977.

Dyfyniad MLA

Rozenfeld, B. A., and Nadezhda Dmitrievna Sergeeva. Stereographic Projection. Mir Publishers, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.