Texas Instruments Incorporated Learning Center & Oliva, R. A. (1976). The great international math on keys book: Developed by the staff of the Texas Instruments Learning Center. Texas Instrument Learning Center.
Cita Chicago (17th ed.)Texas Instruments Incorporated Learning Center i Ralph A. Oliva. The Great International Math on Keys Book: Developed by the Staff of the Texas Instruments Learning Center. Dallas, Texas: Texas Instrument Learning Center, 1976.
Cita MLA (9th ed.)Texas Instruments Incorporated Learning Center i Ralph A. Oliva. The Great International Math on Keys Book: Developed by the Staff of the Texas Instruments Learning Center. Texas Instrument Learning Center, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.