Harvey L., MacDonald M. & Hill J. (2000). Theories and methods. United Kingdom: Hodder & Stoughton.
Harvey Lee, MacDonald Morag and Hill Jane. 2000. Theories and methods. United Kingdom: Hodder & Stoughton.
Harvey L., MacDonald M. and Hill J. (2000). Theories and methods. United Kingdom: Hodder & Stoughton.
Harvey Lee, MacDonald Morag and Hill Jane. Theories and methods. United Kingdom: Hodder & Stoughton. 2000.