Cita APA (7th ed.)

Korth, H., & Silberschatz, A. (1991). Database Systems Concepts (2nd ed.). McGraw Hill.

Cita Chicago (17th ed.)

Korth, Henry.F, i Abraham Silberschatz. Database Systems Concepts. 2nd ed. Singapore: McGraw Hill, 1991.

Cita MLA (9th ed.)

Korth, Henry.F, i Abraham Silberschatz. Database Systems Concepts. 2nd ed. McGraw Hill, 1991.