APA

Caldwell B. J., American Gas Association A. T. M. C. & American Gas Association A. T. M. C. (1996). Fuel gas energy metering. Arlington: American Gas Association, AGA.

Chicago

Caldwell Bruce J, American Gas Association AGA Transmission Measurement Comittee and American Gas Association AGA Transmission Measurement Comittee. 1996. Fuel gas energy metering. Arlington: American Gas Association, AGA.

Harvard

Caldwell B. J., American Gas Association A. T. M. C. and American Gas Association A. T. M. C. (1996). Fuel gas energy metering. Arlington: American Gas Association, AGA.

MLA

Caldwell Bruce J, American Gas Association AGA Transmission Measurement Comittee and American Gas Association AGA Transmission Measurement Comittee. Fuel gas energy metering. Arlington: American Gas Association, AGA. 1996.