Dyfyniad APA

Burnham, J. B. (1986). Family therapy: First steps towards a systemic approach. Routledge.

Dyfyniad Arddull Chicago

Burnham, John B. Family Therapy: First Steps Towards a Systemic Approach. London: Routledge, 1986.

Dyfyniad MLA

Burnham, John B. Family Therapy: First Steps Towards a Systemic Approach. Routledge, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.