Root, D. H., Attanasi, E. D., & Turner, R. M. (1987). Statistics of petroleum exploration in the non-communist world outside the United States and Canada: A summary of the geographic location, amount, and results of petroleum exploration, including an atlas showing explored and delineated prospective areas through 1982.
Chicago-Zitierstil (17. Ausg.)Root, David H., Emil D. Attanasi, und Robert M. Turner. Statistics of Petroleum Exploration in the Non-communist World Outside the United States and Canada: A Summary of the Geographic Location, Amount, and Results of Petroleum Exploration, Including an Atlas Showing Explored and Delineated Prospective Areas Through 1982. Denver, CO, 1987.
MLA-Zitierstil (9. Ausg.)Root, David H., et al. Statistics of Petroleum Exploration in the Non-communist World Outside the United States and Canada: A Summary of the Geographic Location, Amount, and Results of Petroleum Exploration, Including an Atlas Showing Explored and Delineated Prospective Areas Through 1982. 1987.