Rankama, K., & Sahama, T. G. (1950). Geochemistry. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Rankama, Kalervo, agus Thure Georg Sahama. Geochemistry. [Chicago]: University of Chicago Press, 1950.
Lua MLA (9ú heag.)Rankama, Kalervo, agus Thure Georg Sahama. Geochemistry. University of Chicago Press, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.