APA (7th ed.) Citation

Perera, S. S., MR, B. H., & Rarul, P. (1990). Soba: Enviramntal Publication. Ministry of Enviramnt.

Chicago Style (17th ed.) Citation

Perera, Sunil Sarth, B. Hereth MR, and Perera Rarul. Soba: Enviramntal Publication. Colombo: Ministry of Enviramnt, 1990.

MLA (9th ed.) Citation

Perera, Sunil Sarth, et al. Soba: Enviramntal Publication. Ministry of Enviramnt, 1990.