Buffum, E. G. (1966). Six months in the gold mines. University Microfilms.
Lua i Stíl Chicago (17ú heag.)Buffum, Edward Gould. Six Months in the Gold Mines. Ann Arbor [Mich.]: University Microfilms, 1966.
Lua MLA (9ú heag.)Buffum, Edward Gould. Six Months in the Gold Mines. University Microfilms, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.