APA Style
Stephenson, J.P., Walker, D.A.. (1987).
Quarterly Report on Exploration KP 289, Kotamobagu, Sulawesi Utara: 1st Quarter 1987 .
Lanut:
Placer Development Indonesia.
Chicago Style
Stephenson, J.P., Walker, D.A..
Quarterly Report on Exploration KP 289, Kotamobagu, Sulawesi Utara: 1st Quarter 1987.
Lanut:
Placer Development Indonesia,
1987.
Text.
MLA Style
Stephenson, J.P., Walker, D.A..
Quarterly Report on Exploration KP 289, Kotamobagu, Sulawesi Utara: 1st Quarter 1987.
Lanut:
Placer Development Indonesia,
1987.
Text.
Turabian Style
Stephenson, J.P., Walker, D.A..
Quarterly Report on Exploration KP 289, Kotamobagu, Sulawesi Utara: 1st Quarter 1987.
Lanut:
Placer Development Indonesia,
1987.
Print.