Pacific Northwest Laboratory & Washington State Parks and Recreation Commission. (1970). Research report on the future of the Long Beach Peninsula seashore to Pacific County Commissioners and Washington State Parks and Recreation Commission.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pacific Northwest Laboratory و Washington State Parks and Recreation Commission. Research Report on the Future of the Long Beach Peninsula Seashore to Pacific County Commissioners and Washington State Parks and Recreation Commission. [Richland], 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pacific Northwest Laboratory و Washington State Parks and Recreation Commission. Research Report on the Future of the Long Beach Peninsula Seashore to Pacific County Commissioners and Washington State Parks and Recreation Commission. 1970.