APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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