Παραπομπή APA

Szymanski, R. A. (1990). Computers and Information Systems in Buisness. Merrill.

Παραπομπή Chicago Style

Szymanski, Robert A. Computers and Information Systems in Buisness. Columbus: Merrill, 1990.

Παραπομπή MLA

Szymanski, Robert A. Computers and Information Systems in Buisness. Merrill, 1990.