Hyne, N. J., & Ormston, S. E. (2014). Dictionary of petroleum exploration, drilling & production (Second edition.). PennWell.

Hyne, Norman J., and Susan E. Ormston. Dictionary of Petroleum Exploration, Drilling & Production. Second edition. Tulsa, Oklahoma: PennWell, 2014.

Hyne, Norman J., and Susan E. Ormston. Dictionary of Petroleum Exploration, Drilling & Production. Second edition. PennWell, 2014.