Cita APA (7th ed.)

Walter, R. K. (1986). Introduction to data management and file design. Prentice-Hall.

Cita Chicago (17th ed.)

Walter, R. Kenneth. Introduction to Data Management and File Design. Englewood Cliffs, N.J: Prentice-Hall, 1986.

Cita MLA (9th ed.)

Walter, R. Kenneth. Introduction to Data Management and File Design. Prentice-Hall, 1986.