APA引文

Krishna, K. R. Agrosphere: Nutrient dynamics, ecology and productivity. Enfield, NH: Science Publishers ( SP ).

Trích dẫn kiểu Chicago

Krishna, K. R. Agrosphere: Nutrient Dynamics, Ecology and Productivity. Enfield, NH: Science Publishers ( SP ).

MLA引文

Krishna, K. R. Agrosphere: Nutrient Dynamics, Ecology and Productivity. Enfield, NH: Science Publishers ( SP ).

警告：這些引文格式不一定是100％准確.