Cita APA (7th ed.)
Blank, G., & Barnes, R. (1998). The universal machine: A multimedia introduction to computing. McGraw Hill.
Cita Chicago (17th ed.)
Blank, Glenn, i Robert Barnes. The Universal Machine: A Multimedia Introduction to Computing. Boston, Mass: McGraw Hill, 1998.
Cita MLA (9th ed.)
Blank, Glenn, i Robert Barnes. The Universal Machine: A Multimedia Introduction to Computing. McGraw Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.