APA-viite (7. p.)

WIDROW, B., & WALACH, E. Adaptive inverse control. Prentice-Hall.

Chicago-viite (17. p.)

WIDROW, Bernard, ja Eugene WALACH. Adaptive Inverse Control. New Jersey: Prentice-Hall.

MLA-viite (9. p.)

WIDROW, Bernard, ja Eugene WALACH. Adaptive Inverse Control. Prentice-Hall.