Alloway, B., & Ayres, D. (1997). Chemical principles of environmental pollution (2nd ED.). Londra: Blackie Academic & Professional.
استشهاد بنمط شيكاغوAlloway, B.J., and D.C Ayres. Chemical Principles of Environmental Pollution. 2nd ED. Londra: Blackie Academic & Professional, 1997.
MLA استشهادAlloway, B.J., and D.C Ayres. Chemical Principles of Environmental Pollution. 2nd ED. Londra: Blackie Academic & Professional, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.