APA

Cooper G. A., Cooper A. G., Bihn G., Society of Petroleum Engineers S., Cooper A. G., Bihn G. & Society of Petroleum Engineers S.An interactive drilling simulator for teaching and research. : .

Chicago

Cooper George A, Cooper Alexander G, Bihn Gregory, Society of Petroleum Engineers SPE, Cooper Alexander G, Bihn Gregory and Society of Petroleum Engineers SPE.An interactive drilling simulator for teaching and research. : .

Harvard

Cooper G. A., Cooper A. G., Bihn G., Society of Petroleum Engineers S., Cooper A. G., Bihn G. and Society of Petroleum Engineers S.An interactive drilling simulator for teaching and research. : .

MLA

Cooper George A, Cooper Alexander G, Bihn Gregory, Society of Petroleum Engineers SPE, Cooper Alexander G, Bihn Gregory and Society of Petroleum Engineers SPE.: . .