एपीए उद्धरण

Ruge, M. H., Kessler, H., Singh, A., & Hejazi, S. (1998). Scenario development, qualitative causal analysis and system dynamics.

शिकागो स्टाइल उद्धरण

Ruge, Michael H., Howard Kessler, Ajit Singh, और Shahram Hejazi. Scenario Development, Qualitative Causal Analysis and System Dynamics. 1998.

एमएलए उद्धरण

Ruge, Michael H., Howard Kessler, Ajit Singh, और Shahram Hejazi. Scenario Development, Qualitative Causal Analysis and System Dynamics. 1998.