एपीए उद्धरण

Grassman, W. K. (1981). Stochastic systems for management. London.

शिकागो स्टाइल उद्धरण

Grassman, Winfried K. Stochastic Systems for Management. London, 1981.

एमएलए उद्धरण

Grassman, Winfried K. Stochastic Systems for Management. London, 1981.