Cita APA (7th ed.)

DATE C J. (1987). INTRODUCTION TO DATABASE SYSTEMS (3.). ADDISON-WESLEY.

Cita Chicago (17th ed.)

DATE C J. INTRODUCTION TO DATABASE SYSTEMS. 3. CANADA: ADDISON-WESLEY, 1987.

Cita MLA (9th ed.)

DATE C J. INTRODUCTION TO DATABASE SYSTEMS. 3. ADDISON-WESLEY, 1987.