O'Leary, T. J., & O'Leary, T. J. (1990). The student edition of Lotus 1-2-3 realese 2.2: User's manual. United States of America: Addison-Wesley.
Citación estilo ChicagoO'Leary, Timothy J., y Timothy J. O'Leary. The Student Edition of Lotus 1-2-3 Realese 2.2: User's Manual. United States of America: Addison-Wesley, 1990.
Cita MLAO'Leary, Timothy J., y Timothy J. O'Leary. The Student Edition of Lotus 1-2-3 Realese 2.2: User's Manual. United States of America: Addison-Wesley, 1990.
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