Gijsberts, I. (1992). Protecting the environment and reducing poverty: The Philippine experience in social forestry. International Labour Organization, Asian Employment Programme.
Chicago-referens (17:e uppl.)Gijsberts, Ivo. Protecting the Environment and Reducing Poverty: The Philippine Experience in Social Forestry. [Bangkok]: International Labour Organization, Asian Employment Programme, 1992.
MLA-referens (9:e uppl.)Gijsberts, Ivo. Protecting the Environment and Reducing Poverty: The Philippine Experience in Social Forestry. International Labour Organization, Asian Employment Programme, 1992.
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