American Public Health Association. (2012). Standard methods: For the examination of water and wastewater. Washington DC: American Public Health Association.
استشهاد بنمط شيكاغوAmerican Public Health Association. Standard Methods: For the Examination of Water and Wastewater. Washington DC: American Public Health Association, 2012.
MLA استشهادAmerican Public Health Association. Standard Methods: For the Examination of Water and Wastewater. Washington DC: American Public Health Association, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.