APA (7. basım) Alıntı

(1990). Natural gas: Its role and potential in economic development. Westview pr..

Chicago Style (17. basım) Atıf

Natural Gas: Its Role and Potential in Economic Development. Boulder: Westview pr., 1990.

MLA (9th ed.) Atıf

Natural Gas: Its Role and Potential in Economic Development. Westview pr., 1990.