Keller, S. J., & Abdulkareem, T. F. (1980). Post-Knox unconformity--significance at Unionport gas-storage project and relationship to petroleum exploration in Indiana. State of Indiana, Dept. of Natural Resources, Geological Survey.
Чикаго стиль цитування (17-те видання)Keller, Stanley J., та Talal F. Abdulkareem. Post-Knox Unconformity--significance at Unionport Gas-storage Project and Relationship to Petroleum Exploration in Indiana. Bloomington, Ind.: State of Indiana, Dept. of Natural Resources, Geological Survey, 1980.
Стиль цитування MLA (9-ме видання)Keller, Stanley J., та Talal F. Abdulkareem. Post-Knox Unconformity--significance at Unionport Gas-storage Project and Relationship to Petroleum Exploration in Indiana. State of Indiana, Dept. of Natural Resources, Geological Survey, 1980.