Gaya APA
KERROD, Robin. (1977).
Batuan dan mineral .
London:
Grisewood and Dempsey.
Gaya Chicago
KERROD, Robin.
Batuan dan mineral.
London:
Grisewood and Dempsey,
1977.
.
Gaya MLA
KERROD, Robin.
Batuan dan mineral.
London:
Grisewood and Dempsey,
1977.
.
Gaya Turabian
KERROD, Robin.
Batuan dan mineral.
London:
Grisewood and Dempsey,
1977.
.