(1992). Little Professor. Lustiger Rechentrainer von Texas Instruments. Spielmittel.
Chicago Style (17th ed.) Citation"Little Professor. Lustiger Rechentrainer Von Texas Instruments." Spielmittel 1992.
MLA (8th ed.) Citation"Little Professor. Lustiger Rechentrainer Von Texas Instruments." Spielmittel, 1992.
Warning: These citations may not always be 100% accurate.