Gaya APA

Essick, V, T, D, ;, E, L. (1981). Principles of business data processing with MIS ... including basic (ed. 4). paris: Science Research Associates.

Gaya MLA

Essick, V., Thomas, Dock, ;, Edward, L.. "Principles of business data processing with MIS ... including basic". ed. 4 paris: Science Research Associates, 1981. Text.