APA استشهاد

Chris Beckett & Nigel Horner. (2016). Essential theory for social work practice (2nd.). Sage.

استشهاد بنمط شيكاغو

Chris Beckett و Nigel Horner. Essential Theory for Social Work Practice. 2nd. London: Sage, 2016.

MLA استشهاد

Chris Beckett و Nigel Horner. Essential Theory for Social Work Practice. 2nd. Sage, 2016.