Gaya APA
D.R., B. (1989).
The Encyclopedia of igneous and metamorphic petrology / editor, D.R. Bowes .
New York:
Van Nostrand Reinhold.
Gaya MLA
Bowes, D.R..
"The Encyclopedia of igneous and metamorphic petrology / editor, D.R. Bowes".
New York:
Van Nostrand Reinhold,
1989.
Textbook.