Lua APA (7ú heag.)

SZYMANSKI, R. A. Computers and information Systems#Robert A. Szymanski, Donald P. Szymanski, Donna M. Pulschen; Editor P.J.Boardman. Prentice Hall Upper Saddle River.

Lua i Stíl Chicago (17ú heag.)

SZYMANSKI, Robert A. Computers and Information Systems#Robert A. Szymanski, Donald P. Szymanski, Donna M. Pulschen; Editor P.J.Boardman. Prentice Hall Upper Saddle River.

Lua MLA (8ú heag.)

SZYMANSKI, Robert A. Computers and Information Systems#Robert A. Szymanski, Donald P. Szymanski, Donna M. Pulschen; Editor P.J.Boardman. Prentice Hall Upper Saddle River.

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