Porteous, A. (1979). Developments in environmental control and public health-1. Applied Science Publishers.
استشهاد بنمط شيكاغوPorteous, Andrew. Developments in Environmental Control and Public Health-1. London: Applied Science Publishers, 1979.
MLA استشهادPorteous, Andrew. Developments in Environmental Control and Public Health-1. Applied Science Publishers, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.