Gaya APA

Pratt, P, J., Adamski, J, J. (1987). DATABASE SYSTEMS: Management and Design (-). USA: BOYD & FRASER PUBLISHING COMPANY.

Gaya MLA

Pratt, Philip, J.., Adamski, Joseph, J.. "DATABASE SYSTEMS: Management and Design". - USA: BOYD & FRASER PUBLISHING COMPANY, 1987. Text.