Παραπομπή APA

Itkis, U. (1976). Control systems of variable structure. Wiley Eastern.

Παραπομπή Chicago Style

Itkis, U. Control Systems of Variable Structure. New York: Wiley Eastern, 1976.

Παραπομπή MLA

Itkis, U. Control Systems of Variable Structure. Wiley Eastern, 1976.