Gaya APA

M., L, M., Seymour, L. (1981). Theory and Problems of Data Processing (Cetakan Pertama). singapore: McGraw-Hill Book Company.

Gaya MLA

M., Lipschutz, Martin., Seymour, Lipschutz. "Theory and Problems of Data Processing". Cetakan Pertama singapore: McGraw-Hill Book Company, 1981. Text.