Gaya APA
A.M.SPENCER, .
(1974).
MESOZOIC-CENOZOIC-OROGENIC BELTS
.
London:
SCOTTISH ACADEMIC PRESS.
Gaya MLA
A.M.SPENCER, .
"MESOZOIC-CENOZOIC-OROGENIC BELTS".
London:
SCOTTISH ACADEMIC PRESS,
1974.
Textbook.