Cita APA

Checkland, P. (1999). Soft systems methodology: A 30 year retrospective. John Wiley and Sons.

Citación estilo Chicago

Checkland, Peter. Soft Systems Methodology: A 30 Year Retrospective. Chichester: John Wiley and Sons, 1999.

Cita MLA

Checkland, Peter. Soft Systems Methodology: A 30 Year Retrospective. John Wiley and Sons, 1999.

Warning: These citations may not always be 100% accurate.