Johnson, S. Y. (2001). Active tectonics of the Devils Mountain fault and related structures, northern Puget Lowland and eastern Strait of Juan de Fuca region, Pacific Northwest (Version 1.0.). U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Johnson, Samuel Y. Active Tectonics of the Devils Mountain Fault and Related Structures, Northern Puget Lowland and Eastern Strait of Juan De Fuca Region, Pacific Northwest. Version 1.0. Reston, VA, Denver, CO: U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Johnson, Samuel Y. Active Tectonics of the Devils Mountain Fault and Related Structures, Northern Puget Lowland and Eastern Strait of Juan De Fuca Region, Pacific Northwest. Version 1.0. U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services, 2001.