APA Style
Banks, Ferdinand E.. (1991).
Economic of gas resources .
Jakarta:
Pertamina.
Chicago Style
Banks, Ferdinand E..
Economic of gas resources.
Jakarta:
Pertamina,
1991.
Text.
MLA Style
Banks, Ferdinand E..
Economic of gas resources.
Jakarta:
Pertamina,
1991.
Text.
Turabian Style
Banks, Ferdinand E..
Economic of gas resources.
Jakarta:
Pertamina,
1991.
Print.