Gaya APA

Orilia, L, S. (1987). Introduction to Business Data Processing: Grolier Business Library . USA: Mc Graw Hill.

Gaya MLA

Orilia, Lawrence, S.. "Introduction to Business Data Processing: Grolier Business Library". USA: Mc Graw Hill, 1987. GEN - Bacaan/Seri Non-Fiksi.