Gaya APA

Butt,C.R.M, ., Smith,R.E., . (1980). Developments in Economic Geology 13: conceptual models in exploration geochemistry, 4 . Amsterdam: ELSEVIER SCIENTIFIC PUBLISHING COMPANY.

Gaya MLA

Butt,C.R.M, ., Smith,R.E., . "Developments in Economic Geology 13: conceptual models in exploration geochemistry, 4". Amsterdam: ELSEVIER SCIENTIFIC PUBLISHING COMPANY, 1980. Text.