Hussain, M. (2014). Environment and Ecology Civil Services Examination. Access Publishing House.
Citação norma ChicagoHussain, Majid. Environment and Ecology Civil Services Examination. Access Publishing House, 2014.
Citação norma MLAHussain, Majid. Environment and Ecology Civil Services Examination. Access Publishing House, 2014.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.