APA

American National Standard Institute A., American National Standard Institute A., . (1992). Diaphragm type gas displacement meters (500 Cubic feet per hour capacity and over). Arlington: American Gas Association, AGA.

Chicago

American National Standard Institute ANSI, American National Standard Institute ANSI, . 1992. Diaphragm type gas displacement meters (500 Cubic feet per hour capacity and over). Arlington: American Gas Association, AGA.

Harvard

American National Standard Institute A., American National Standard Institute A., . (1992). Diaphragm type gas displacement meters (500 Cubic feet per hour capacity and over). Arlington: American Gas Association, AGA.

MLA

American National Standard Institute ANSI, American National Standard Institute ANSI, . Diaphragm type gas displacement meters (500 Cubic feet per hour capacity and over). Arlington: American Gas Association, AGA. 1992.