(1949). Vol. 44, № 5-6; Economic Geology. 1949.
Cita Chicago (17th ed.)Vol. 44, № 5-6; Economic Geology. 1949, 1949.
Cita MLA (9th ed.)Vol. 44, № 5-6; Economic Geology. 1949, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)