APA-viite (7. p.)

Orapan Nabangchang. (2009). Private contributions towards the provision of public goods: The conservation of Thailand's endangered species. Economy and Environment Program for Southeast Asia.

Chicago-viite (17. p.)

Orapan Nabangchang. Private Contributions Towards the Provision of Public Goods: The Conservation of Thailand's Endangered Species. Singapore: Economy and Environment Program for Southeast Asia, 2009.

MLA-viite (9. p.)

Orapan Nabangchang. Private Contributions Towards the Provision of Public Goods: The Conservation of Thailand's Endangered Species. Economy and Environment Program for Southeast Asia, 2009.