Philippines. Department of Environment and Natural Resources. Environmental Management Bureau. Cordillera Administrative Region. (2004). The state of the regional brown environment, 2004. EMB, DENR.
Citazione stile Chigago Style (17a edizione)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.
Citatione MLA (9a ed.)Philippines. Department of Environment and Natural Resources. Environmental Management Bureau. Cordillera Administrative Region. The State of the Regional Brown Environment, 2004. EMB, DENR, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.