Παραπομπή APA

Sharp, W. M., & Walter M. Sharp; Anthony A. Olinzock; Otto Santos. (1999). Keychamp. South-Western educational publishing.

Παραπομπή Chicago Style

Sharp, Walter M., και Walter M. Sharp; Anthony A. Olinzock; Otto Santos. Keychamp. South-Western educational publishing, 1999.

Παραπομπή MLA

Sharp, Walter M., και Walter M. Sharp; Anthony A. Olinzock; Otto Santos. Keychamp. South-Western educational publishing, 1999.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.