Dyfyniad APA

Whittington John. (2016). Systemic Coaching & Constellations. Kogan Page Limited.

Dyfyniad Arddull Chicago

Whittington John. Systemic Coaching & Constellations. London: Kogan Page Limited, 2016.

Dyfyniad MLA

Whittington John. Systemic Coaching & Constellations. Kogan Page Limited, 2016.

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