WHO. (1991). Environmental health criteria; N.109: Summary report on the evaluation of short-term test for carcinogens ( collaborative study on in vivo tests ). Geneva: WHO.
استشهاد بنمط شيكاغوWHO. Environmental Health Criteria; N.109: Summary Report On the Evaluation of Short-term Test for Carcinogens ( Collaborative Study On in Vivo Tests ). Geneva: WHO, 1991.
MLA استشهادWHO. Environmental Health Criteria; N.109: Summary Report On the Evaluation of Short-term Test for Carcinogens ( Collaborative Study On in Vivo Tests ). Geneva: WHO, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.