LANGE, O. General geology. The Foreign Languages Publishing House.
Chicago Style (17th ed.) ZitazioaLANGE, O. General Geology. Mascow: The Foreign Languages Publishing House.
MLA (9th ed.) ZitazioaLANGE, O. General Geology. The Foreign Languages Publishing House.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.