Cita APA

(1973). Utility gas industry in Japan 1973. Tokyo: The Japan Gas Association.

Chicago Style Citation

Utility Gas Industry in Japan 1973. Tokyo: The Japan Gas Association, 1973.

Cita MLA

Utility Gas Industry in Japan 1973. Tokyo: The Japan Gas Association, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.