Gaya APA

A.F., L. (1940). Microscopical Determination of Jarosite and Iron Ore Drilling Samples from the Vicinity of CP.Kancah (Lembang), south - Western Slope G. Tangkoeban Prahoe . : .

Gaya MLA

A.F., Lasut. "Microscopical Determination of Jarosite and Iron Ore Drilling Samples from the Vicinity of CP.Kancah (Lembang), south - Western Slope G. Tangkoeban Prahoe". : , 1940. Text.