APA-viite (7. p.)

Weil, U. Information systems in the 80's. Prentice-Hall.

Chicago-viite (17. p.)

Weil, Ulrich. Information Systems in the 80's. Englewood Cliffs, N. J: Prentice-Hall.

MLA-viite (9. p.)

Weil, Ulrich. Information Systems in the 80's. Prentice-Hall.