Παραπομπή APA

Mark G. Simkin. (1987). Introduction to computer information systems for Business. Unknown.

Παραπομπή Chicago Style

Mark G. Simkin. Introduction to Computer Information Systems for Business. Unknown, 1987.

Παραπομπή MLA

Mark G. Simkin. Introduction to Computer Information Systems for Business. Unknown, 1987.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.