APA Style
Soemantri, Herdiana, Davies, S. W.. (1988).
Contract of work area first relinquishment report West Sumatera and North Sumatera, Indonesia: PT Antam Barisan Mining .
Bukittinggi:
PT Antam Barisan Mining.
Chicago Style
Soemantri, Herdiana, Davies, S. W..
Contract of work area first relinquishment report West Sumatera and North Sumatera, Indonesia: PT Antam Barisan Mining.
Bukittinggi:
PT Antam Barisan Mining,
1988.
Text.
MLA Style
Soemantri, Herdiana, Davies, S. W..
Contract of work area first relinquishment report West Sumatera and North Sumatera, Indonesia: PT Antam Barisan Mining.
Bukittinggi:
PT Antam Barisan Mining,
1988.
Text.
Turabian Style
Soemantri, Herdiana, Davies, S. W..
Contract of work area first relinquishment report West Sumatera and North Sumatera, Indonesia: PT Antam Barisan Mining.
Bukittinggi:
PT Antam Barisan Mining,
1988.
Print.