Cita APA

Sharp, W. M. 1., Olinzock, A. A., & Santos, O. (1999). KeyChamp. Cincinnati: South-Western Educational Pub.

Chicago Style Citation

Sharp, Walter M. 1929-, Anthony A. Olinzock, i Otto Santos. KeyChamp. Cincinnati: South-Western Educational Pub, 1999.

Cita MLA

Sharp, Walter M. 1929-, Anthony A. Olinzock, i Otto Santos. KeyChamp. Cincinnati: South-Western Educational Pub, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.