APA সাইটেশন

O'Connor, J. (1997). The Art of Systems Thinking: Essential Skills for Creativity and Problem Solving. Hammersmith, London: Thorsons.

শিকাগো স্টাইলে সাইটেশন

O'Connor, Joseph. The Art of Systems Thinking: Essential Skills for Creativity and Problem Solving. Hammersmith, London: Thorsons, 1997.

এমএলএ সাইটেশন

O'Connor, Joseph. The Art of Systems Thinking: Essential Skills for Creativity and Problem Solving. Hammersmith, London: Thorsons, 1997.

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