Ebenhack, B. W. Energy resources: Availability, Use and Impact. Tulsa, Oklahoma 74101.
シカゴスタイル引用形Ebenhack, Ben W. Energy Resources: Availability, Use and Impact. Tulsa, Oklahoma 74101.
MLA引用形式Ebenhack, Ben W. Energy Resources: Availability, Use and Impact. Tulsa, Oklahoma 74101.
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