APA Style
Johnston, Daniel. (2003).
International exploration economics, risk, and contract analysis .
Oklahoma:
Penn Well Corporation.
Chicago Style
Johnston, Daniel.
International exploration economics, risk, and contract analysis.
Oklahoma:
Penn Well Corporation,
2003.
Text.
MLA Style
Johnston, Daniel.
International exploration economics, risk, and contract analysis.
Oklahoma:
Penn Well Corporation,
2003.
Text.
Turabian Style
Johnston, Daniel.
International exploration economics, risk, and contract analysis.
Oklahoma:
Penn Well Corporation,
2003.
Print.