Dyfyniad APA

DOWNING, D. (1991). Barron's business library: Computers and business tasks. Barron's Educational Series.

Dyfyniad Arddull Chicago

DOWNING, Douglas. Barron's Business Library: Computers and Business Tasks. New York: Barron's Educational Series, 1991.

Dyfyniad MLA

DOWNING, Douglas. Barron's Business Library: Computers and Business Tasks. Barron's Educational Series, 1991.

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