Dyfyniad APA

Berman Arthur & Kanal von aspo2012. Learning from US shale gas experience.

Dyfyniad Arddull Chicago

Berman Arthur and Kanal von aspo2012. Learning from US Shale Gas Experience.

Dyfyniad MLA

Berman Arthur and Kanal von aspo2012. Learning from US Shale Gas Experience.

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