Gaya APA
PEARL, R, M.
(1973).
HANDBOOK FOR PROSPECTORS
(
FIFTH EDITION)
.
newyork:
McGROWHIL.
Gaya MLA
PEARL, RICHARD, M..
"HANDBOOK FOR PROSPECTORS".
FIFTH EDITION
newyork:
McGROWHIL,
1973.
Textbook.