APA Style
Johnston, Daniel. (1994).
International Petroleum Fiscal Systems and Production Sharing Contracts .
Tulsa:
PennWell.
Chicago Style
Johnston, Daniel.
International Petroleum Fiscal Systems and Production Sharing Contracts.
Tulsa:
PennWell,
1994.
Text.
MLA Style
Johnston, Daniel.
International Petroleum Fiscal Systems and Production Sharing Contracts.
Tulsa:
PennWell,
1994.
Text.
Turabian Style
Johnston, Daniel.
International Petroleum Fiscal Systems and Production Sharing Contracts.
Tulsa:
PennWell,
1994.
Print.