Gaya APA
Mcgraw-Hill encyclopedia of the geological sciences. (1988).
tempaterbit:
penerbit.
Gaya Chicago
Mcgraw-Hill encyclopedia of the geological sciences.
Edisi.
tempaterbit:
penerbit,
1988.
Text.
Gaya MLA
Mcgraw-Hill encyclopedia of the geological sciences.
Edisi.
tempaterbit:
penerbit,
1988.
Text.
Gaya Turabian
Mcgraw-Hill encyclopedia of the geological sciences.
tempaterbit:
penerbit,
1988.
Print.