APA Style
Johnston, Daniel. (1994).
International petroleum fiscal systems and production sharing contracts .
Oklahoma:
Penn Well Corporation.
Chicago Style
Johnston, Daniel.
International petroleum fiscal systems and production sharing contracts.
Oklahoma:
Penn Well Corporation,
1994.
Text.
MLA Style
Johnston, Daniel.
International petroleum fiscal systems and production sharing contracts.
Oklahoma:
Penn Well Corporation,
1994.
Text.
Turabian Style
Johnston, Daniel.
International petroleum fiscal systems and production sharing contracts.
Oklahoma:
Penn Well Corporation,
1994.
Print.