World Health Organization, G. (1998). International Programmine on Chemical Safety. Geneva:WHO.
استشهاد بنمط شيكاغوWorld Health Organization, Geneva. International Programmine on Chemical Safety. Boron: Geneva:WHO, 1998.
MLA استشهادWorld Health Organization, Geneva. International Programmine on Chemical Safety. Geneva:WHO, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.