Cita APA (7th ed.)

Wolstenholme, E. F. (1990). System enquiry: A system dynamics approach. Wiley.

Cita Chicago (17th ed.)

Wolstenholme, Eric F. System Enquiry: A System Dynamics Approach. Chichester: Wiley, 1990.

Cita MLA (9th ed.)

Wolstenholme, Eric F. System Enquiry: A System Dynamics Approach. Wiley, 1990.