Gaya APA

Easton, A. (1972). Methods in Geochemistry & Geophysics 6 : Chemical analysis of silicate rocks. . Amsterdam: ELSEVIER PUBLISHING COMPANY.

Gaya MLA

Easton, A.J.. "Methods in Geochemistry & Geophysics 6 : Chemical analysis of silicate rocks.". Amsterdam: ELSEVIER PUBLISHING COMPANY, 1972. Text.