APA
Singh A. K., Mishra, Singh H. P., Singh A. K. & Kumar S. (1999). Cultivation of Kalmegh (Andrographis Paniculata) in India: Farm Bulletin No. 009. Lucknow: Central Institute of Medicinal and Aromatic Plants.
Chicago
Singh Ashok Kumar, Mishra, Singh Hemendra Pratap, Singh Anil Kumar and Kumar Sushil. 1999. Cultivation of Kalmegh (Andrographis Paniculata) in India: Farm Bulletin No. 009. Lucknow: Central Institute of Medicinal and Aromatic Plants.
Harvard
Singh A. K., Mishra, Singh H. P., Singh A. K. and Kumar S. (1999). Cultivation of Kalmegh (Andrographis Paniculata) in India: Farm Bulletin No. 009. Lucknow: Central Institute of Medicinal and Aromatic Plants.
MLA
Singh Ashok Kumar, Mishra, Singh Hemendra Pratap, Singh Anil Kumar and Kumar Sushil. Cultivation of Kalmegh (Andrographis Paniculata) in India: Farm Bulletin No. 009. Lucknow: Central Institute of Medicinal and Aromatic Plants. 1999.