APA Style
Sagala, B. D. (1985).
Prospect 9759 Simpang Datar sampling report Muara Sipongi, Natal Contract of work: CSR Limited Minerals exploration and development group .
Bukittinggi:
CSR Limited.
Chicago Style
Sagala, B. D.
Prospect 9759 Simpang Datar sampling report Muara Sipongi, Natal Contract of work: CSR Limited Minerals exploration and development group.
Bukittinggi:
CSR Limited,
1985.
Text.
MLA Style
Sagala, B. D.
Prospect 9759 Simpang Datar sampling report Muara Sipongi, Natal Contract of work: CSR Limited Minerals exploration and development group.
Bukittinggi:
CSR Limited,
1985.
Text.
Turabian Style
Sagala, B. D.
Prospect 9759 Simpang Datar sampling report Muara Sipongi, Natal Contract of work: CSR Limited Minerals exploration and development group.
Bukittinggi:
CSR Limited,
1985.
Print.