APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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