Dyfyniad APA

Akademiia nauk SSSR, American Geological Institute, Royer and Roger Inc, Royer and Roger Inc. International Division, & Scripta Technica Inc. (1958). Izvestiya of the Academy of Sciences of the U.S.S.R: Izvestiya Akademii nauk SSSR. Seriya geologicheskaya. American Geological Institute.

Dyfyniad Arddull Chicago

Akademiia nauk SSSR, American Geological Institute, Royer and Roger Inc, Royer and Roger Inc. International Division, and Scripta Technica Inc. Izvestiya of the Academy of Sciences of the U.S.S.R: Izvestiya Akademii Nauk SSSR. Seriya Geologicheskaya. [Washington, D.C.]: American Geological Institute, 1958.

Dyfyniad MLA

Akademiia nauk SSSR, et al. Izvestiya of the Academy of Sciences of the U.S.S.R: Izvestiya Akademii Nauk SSSR. Seriya Geologicheskaya. American Geological Institute, 1958.

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