Gaya APA

O\'Connor,Joseph, ., McDermott,Ian, . (1997). The Art of Systems Thinking : Essential Skill for Creativity and Problem Solving . London: Thorsons.

Gaya MLA

O\'Connor,Joseph, ., McDermott,Ian, . "The Art of Systems Thinking : Essential Skill for Creativity and Problem Solving". London: Thorsons, 1997. print.