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: McGraw-Hill, 1998.

Cita MLA (9th ed.)

BLANK, Glenn, i Robert BARNES. The Universal Machine: A Multimedia Introduction to Computing. McGraw-Hill, 1998.