APA Style
Obial, R.C., John, T. U.. (1974).
P.T. Tropic Endeavour Indonesia geochemical survey of block 2, Sulawesi Utara, Indonesia .
:
PT. Tropic Endeavour Indonesia.
Chicago Style
Obial, R.C., John, T. U..
P.T. Tropic Endeavour Indonesia geochemical survey of block 2, Sulawesi Utara, Indonesia.
:
PT. Tropic Endeavour Indonesia,
1974.
Text.
MLA Style
Obial, R.C., John, T. U..
P.T. Tropic Endeavour Indonesia geochemical survey of block 2, Sulawesi Utara, Indonesia.
:
PT. Tropic Endeavour Indonesia,
1974.
Text.
Turabian Style
Obial, R.C., John, T. U..
P.T. Tropic Endeavour Indonesia geochemical survey of block 2, Sulawesi Utara, Indonesia.
:
PT. Tropic Endeavour Indonesia,
1974.
Print.