APA

McCormick W., Fish L., American Gas Association A., World Energy Conference (10th. : 1977 : Istanbul), Fish L., American Gas Association A. & World Energy Conference (10th. : 1977 : Istanbul). (1977). L'avenir des approvisionnements mondiaux en gaz naturel. [s.l.]: World Energy Conference.

Chicago

McCormick W.T, Fish L.W, American Gas Association AGA, World Energy Conference (10th. : 1977 : Istanbul), Fish L.W, American Gas Association AGA and World Energy Conference (10th. : 1977 : Istanbul). 1977. L'avenir des approvisionnements mondiaux en gaz naturel. [s.l.]: World Energy Conference.

Harvard

McCormick W., Fish L., American Gas Association A., World Energy Conference (10th. : 1977 : Istanbul), Fish L., American Gas Association A. and World Energy Conference (10th. : 1977 : Istanbul). (1977). L'avenir des approvisionnements mondiaux en gaz naturel. [s.l.]: World Energy Conference.

MLA

McCormick W.T, Fish L.W, American Gas Association AGA, World Energy Conference (10th. : 1977 : Istanbul), Fish L.W, American Gas Association AGA and World Energy Conference (10th. : 1977 : Istanbul). L'avenir des approvisionnements mondiaux en gaz naturel. [s.l.]: World Energy Conference. 1977.