Galloway, W. E., Magara, K., & Hobday, D. K. (1982). Frio formation of the Texas Gulf Coast Basin: Depositional systems, structural framework, and hydrocarbon origin, migration, distribution, and exploration potential. Bureau of Economic Geology, University of Texas at Austin.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Galloway, William E., Kinji Magara, و David K. Hobday. Frio Formation of the Texas Gulf Coast Basin: Depositional Systems, Structural Framework, and Hydrocarbon Origin, Migration, Distribution, and Exploration Potential. Austin, Tex.: Bureau of Economic Geology, University of Texas at Austin, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Galloway, William E., et al. Frio Formation of the Texas Gulf Coast Basin: Depositional Systems, Structural Framework, and Hydrocarbon Origin, Migration, Distribution, and Exploration Potential. Bureau of Economic Geology, University of Texas at Austin, 1982.