WHO. (1993). Environmental health criteria; N.155: Biomarkers and risk assessment: consepts and principles. Geneva: WHO.
Trích dẫn kiểu ChicagoWHO. Environmental Health Criteria; N.155: Biomarkers and Risk Assessment: Consepts and Principles. Geneva: WHO, 1993.
MLA引文WHO. Environmental Health Criteria; N.155: Biomarkers and Risk Assessment: Consepts and Principles. Geneva: WHO, 1993.
警告:這些引文格式不一定是100%准確.