Gaya APA
Perrin, M, B.
(1975).
An Introduction to the Chemistry of Rocks and Minerals
.
London:
Max B Perrin B.S.c.
Gaya MLA
Perrin, Max, B..
"An Introduction to the Chemistry of Rocks and Minerals".
London:
Max B Perrin B.S.c,
1975.
Text.