(1990). Natural gas: Its role and potential in economic development. Westview pr..
Citazione stile Chigago Style (17a edizione)Natural Gas: Its Role and Potential in Economic Development. Boulder: Westview pr., 1990.
Citatione MLA (9a ed.)Natural Gas: Its Role and Potential in Economic Development. Westview pr., 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.