Citazione Stile APA (7a Edizione)

Porter, J., & Lacey, P. (2005). Researching learning difficulties: A guide for practitioners. P. Chapman.

Citazione stile Chigago Style (17a edizione)

Porter, Jill, e Penny Lacey. Researching Learning Difficulties: A Guide for Practitioners. London: P. Chapman, 2005.

Citatione MLA (9a ed.)

Porter, Jill, e Penny Lacey. Researching Learning Difficulties: A Guide for Practitioners. P. Chapman, 2005.