Gaya APA

GOVETT, G., HOWARTH, R. (1981). Handbook of Exploration Geochemistry Volume 1 Analytical Methods in Geochemistry Prospecting (1). United State of America: Elsevier.

Gaya MLA

GOVETT, G.J.S., HOWARTH, R.J.. "Handbook of Exploration Geochemistry Volume 1 Analytical Methods in Geochemistry Prospecting". 1 United State of America: Elsevier, 1981. Textbook.