American Petroleum Institute. (1949). Clay mineral standards: American Petroleum Institute Project 49: Preliminary reports. Columbia University.
Citación estilo ChicagoAmerican Petroleum Institute. Clay Mineral Standards: American Petroleum Institute Project 49: Preliminary Reports. New York: Columbia University, 1949.
Cita MLAAmerican Petroleum Institute. Clay Mineral Standards: American Petroleum Institute Project 49: Preliminary Reports. Columbia University, 1949.
Warning: These citations may not always be 100% accurate.