Citazione Stile APA (7a Edizione)

(1997). Sustainable livelihood options for the Philippines: An information kit. Urban-lowland ecosystem. Department of Environment and Natural Resources.

Citazione stile Chigago Style (17a edizione)

Sustainable Livelihood Options for the Philippines: An Information Kit. Urban-lowland Ecosystem. Diliman, Q.C: Department of Environment and Natural Resources, 1997.

Citatione MLA (9a ed.)

Sustainable Livelihood Options for the Philippines: An Information Kit. Urban-lowland Ecosystem. Department of Environment and Natural Resources, 1997.