Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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