Gaya APA
Pollard, D, D. (2005, 2010).
Fundamentals of Structural Geology (E-Book) .
New York:
Cambridge University Press.
Gaya MLA
Pollard, David, D..
"Fundamentals of Structural Geology (E-Book)".
New York:
Cambridge University Press,
2005, 2010.
E-book.