APA引文

Sri Lanka. Ministry of Environment and Parliamentary Affairs & Sri Lanka. Madhyama Parisara Adhikāriya. (1990). Sobā: Environmental publication. Ministry of Environment and Parliamentary Affairs : Central Environmental Authority.

Chicago Style (17th ed.) Citation

Sri Lanka. Ministry of Environment and Parliamentary Affairs and Sri Lanka. Madhyama Parisara Adhikāriya. Sobā: Environmental Publication. Colombo: Ministry of Environment and Parliamentary Affairs : Central Environmental Authority, 1990.

MLA引文

Sri Lanka. Ministry of Environment and Parliamentary Affairs and Sri Lanka. Madhyama Parisara Adhikāriya. Sobā: Environmental Publication. Ministry of Environment and Parliamentary Affairs : Central Environmental Authority, 1990.