Gaya APA
HEINRICH, E.WM. (1956).
Microscopic Petrography .
New York:
Mc Graw-Hill Book Company.
Gaya Chicago
HEINRICH, E.WM.
Microscopic Petrography.
New York:
Mc Graw-Hill Book Company,
1956.
.
Gaya MLA
HEINRICH, E.WM.
Microscopic Petrography.
New York:
Mc Graw-Hill Book Company,
1956.
.
Gaya Turabian
HEINRICH, E.WM.
Microscopic Petrography.
New York:
Mc Graw-Hill Book Company,
1956.
.