Lua APA (7ú heag.)

SUMMERS, E. L. (1989). Accounting information systems. Houghton Mifflin Comp.

Lua i Stíl Chicago (17ú heag.)

SUMMERS, Edward Lee. Accounting Information Systems. Dallas: Houghton Mifflin Comp, 1989.

Lua MLA (9ú heag.)

SUMMERS, Edward Lee. Accounting Information Systems. Houghton Mifflin Comp, 1989.

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