Gaya APA
Winter, J, D. (2010).
Principles of Igneous and Metamorphic Petrology (Kedua).
United States of America:
Prentice Hall.
Gaya MLA
Winter, John, D..
"Principles of Igneous and Metamorphic Petrology".
Kedua
United States of America:
Prentice Hall,
2010.
Text.