Gaya APA

ROB, P., CORONEL, C. (2009). DATABASE SYSTEMS ; DESIGN, IMPLEMENTATION, AND MANAGEMENT (Eighth Edition). United States of America: Course Technology.

Gaya MLA

ROB, PETER., CORONEL, CARLOS. "DATABASE SYSTEMS ; DESIGN, IMPLEMENTATION, AND MANAGEMENT". Eighth Edition United States of America: Course Technology, 2009. eBook.