APA
N. Pavan Kumar, V. Hema Kumar, Vali S. K. & Reddy P. B. S. (2021). Solar Energy. Hyderabad: Spectrum Publications.
Chicago
N. Pavan Kumar, V. Hema Kumar, Vali Sk Khadar and Reddy P Bala Subramanyam. 2021. Solar Energy. Hyderabad: Spectrum Publications.
Harvard
N. Pavan Kumar, V. Hema Kumar, Vali S. K. and Reddy P. B. S. (2021). Solar Energy. Hyderabad: Spectrum Publications.
MLA
N. Pavan Kumar, V. Hema Kumar, Vali Sk Khadar and Reddy P Bala Subramanyam. Solar Energy. Hyderabad: Spectrum Publications. 2021.