एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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