APA Style
Sagala, B. D. (1986).
Reconnaissance sampling of the middle and upper reaches of the B. Batahan drainage Natal., J.V. Sumatera Indonesia: CSR Limited Minerals exploration and development group .
Bukittinggi:
CSR Limited.
Chicago Style
Sagala, B. D.
Reconnaissance sampling of the middle and upper reaches of the B. Batahan drainage Natal., J.V. Sumatera Indonesia: CSR Limited Minerals exploration and development group.
Bukittinggi:
CSR Limited,
1986.
Text.
MLA Style
Sagala, B. D.
Reconnaissance sampling of the middle and upper reaches of the B. Batahan drainage Natal., J.V. Sumatera Indonesia: CSR Limited Minerals exploration and development group.
Bukittinggi:
CSR Limited,
1986.
Text.
Turabian Style
Sagala, B. D.
Reconnaissance sampling of the middle and upper reaches of the B. Batahan drainage Natal., J.V. Sumatera Indonesia: CSR Limited Minerals exploration and development group.
Bukittinggi:
CSR Limited,
1986.
Print.