Committee for Environmental Information (Saint Louis, Mo.)\nScientists' Institute for Public Information\nHelen Dwight Reid Educational Foundation. (1969). Environment: Science and policy for sustainable development. Committee for Environmental Information.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Committee for Environmental Information (Saint Louis, Mo.)\nScientists' Institute for Public Information\nHelen Dwight Reid Educational Foundation. Environment: Science and Policy for Sustainable Development. Saint Louis, Mo: Committee for Environmental Information, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Committee for Environmental Information (Saint Louis, Mo.)\nScientists' Institute for Public Information\nHelen Dwight Reid Educational Foundation. Environment: Science and Policy for Sustainable Development. Committee for Environmental Information, 1969.