Philippines. Department of Environment and Natural Resources. (2004). Solid waste management made easy: A fieldbook on implementing a community-based ecological management programme. National Solid Waste Management Commission, Office of the Secretariat.
Chicago-referens (17:e uppl.)Philippines. Department of Environment and Natural Resources. Solid Waste Management Made Easy: A Fieldbook on Implementing a Community-based Ecological Management Programme. [Quezon City]: National Solid Waste Management Commission, Office of the Secretariat, 2004.
MLA-referens (9:e uppl.)Philippines. Department of Environment and Natural Resources. Solid Waste Management Made Easy: A Fieldbook on Implementing a Community-based Ecological Management Programme. National Solid Waste Management Commission, Office of the Secretariat, 2004.