Penggayaan APA
LUTGENS, Frederick K.. (2006).
Essentials of Geology (Ed.9).
USA:
Pearson Prentice Hall.
Chicago Style
LUTGENS, Frederick K..
Essentials of Geology.
Ed.9
USA:
Pearson Prentice Hall,
2006.
Buku.
MLA Style
LUTGENS, Frederick K..
Essentials of Geology.
Ed.9
USA:
Pearson Prentice Hall,
2006.
Buku.
Turabian Style
LUTGENS, Frederick K..
Essentials of Geology.
Ed.9
USA:
Pearson Prentice Hall,
2006.
Buku.