APA

American Petroleum Institute A., . (1994). Manual of petroleum measurement standards. Chapter 6- Metering assemblies. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1994. Manual of petroleum measurement standards. Chapter 6- Metering assemblies. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1994). Manual of petroleum measurement standards. Chapter 6- Metering assemblies. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Manual of petroleum measurement standards. Chapter 6- Metering assemblies. Washington: American Petroleum Institute, API. 1994.