Gaya APA
Hammerson, Marc. (2011).
Upstream oil and gas: cases, materials and commentary .
London:
Globe Business Publishing.
Gaya Chicago
Hammerson, Marc.
Upstream oil and gas: cases, materials and commentary.
London:
Globe Business Publishing,
2011.
Text.
Gaya MLA
Hammerson, Marc.
Upstream oil and gas: cases, materials and commentary.
London:
Globe Business Publishing,
2011.
Text.
Gaya Turabian
Hammerson, Marc.
Upstream oil and gas: cases, materials and commentary.
London:
Globe Business Publishing,
2011.
Print.