Gaya APA

Blatt, H. (2006). Petrology : Igneous, Sedimentary, and Metamorphic (Ketiga). United States of America: W.H. FREEMAN AND COMPANY.

Gaya MLA

Blatt, Harvey. "Petrology : Igneous, Sedimentary, and Metamorphic". Ketiga United States of America: W.H. FREEMAN AND COMPANY, 2006. Text.