APA-Zitierstil (7. Ausg.)

Crawford, F. R. (1973). Business Systems with punched card data processing and system. Prentice-Hall.

Chicago-Zitierstil (17. Ausg.)

Crawford, F. R. Business Systems with Punched Card Data Processing and System. Englewood Cliffs, N.J: Prentice-Hall, 1973.

MLA-Zitierstil (9. Ausg.)

Crawford, F. R. Business Systems with Punched Card Data Processing and System. Prentice-Hall, 1973.