Gaya APA
PEARL, Richard M.. (1951).
Guide to Geologic Literature .
New York:
McGraw Hill Book Company.
Gaya Chicago
PEARL, Richard M..
Guide to Geologic Literature.
New York:
McGraw Hill Book Company,
1951.
Teks.
Gaya MLA
PEARL, Richard M..
Guide to Geologic Literature.
New York:
McGraw Hill Book Company,
1951.
Teks.
Gaya Turabian
PEARL, Richard M..
Guide to Geologic Literature.
New York:
McGraw Hill Book Company,
1951.
Teks.