APA (7e ed.) Bronvermelding

Philippines. Department of Environment and Natural Resources. Environmental Management Bureau. Cordillera Administrative Region. (2004). The state of the regional brown environment, 2004. EMB, DENR.

Chicago (17e ed.) Bronvermelding

Philippines. Department of Environment and Natural Resources. Environmental Management Bureau. Cordillera Administrative Region. The State of the Regional Brown Environment, 2004. Baguio City: EMB, DENR, 2004.

MLA (9e ed.) Bronvermelding

Philippines. Department of Environment and Natural Resources. Environmental Management Bureau. Cordillera Administrative Region. The State of the Regional Brown Environment, 2004. EMB, DENR, 2004.