WHO. (1992). Environmental health criteria; N.131: Diethylhexyl phthalate. Geneva: WHO.
استشهاد بنمط شيكاغوWHO. Environmental Health Criteria; N.131: Diethylhexyl Phthalate. Geneva: WHO, 1992.
MLA استشهادWHO. Environmental Health Criteria; N.131: Diethylhexyl Phthalate. Geneva: WHO, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.