Gaya APA

Popyk, Marilyn K.. (1985). World processing and information systems : a practical approach to concepts / Marilyn K. Popyk . : Grega Division/McGraw-Hill.

Gaya Chicago

Popyk, Marilyn K.. World processing and information systems : a practical approach to concepts / Marilyn K. Popyk. : Grega Division/McGraw-Hill, 1985. Text.

Gaya MLA

Popyk, Marilyn K.. World processing and information systems : a practical approach to concepts / Marilyn K. Popyk. : Grega Division/McGraw-Hill, 1985. Text.

Gaya Turabian

Popyk, Marilyn K.. World processing and information systems : a practical approach to concepts / Marilyn K. Popyk. : Grega Division/McGraw-Hill, 1985. Print.