Gaya APA

Association, A, G. (2003). Orifice metering of natural gas and other related hydrocarbon fluids. Part 1 : General equations and uncertainty guidelines (2003). : Washington : AGA,.

Gaya MLA

Association, American, Gas. "Orifice metering of natural gas and other related hydrocarbon fluids. Part 1 : General equations and uncertainty guidelines". 2003 : Washington : AGA,, 2003. Text.