1. Aspinwall, L. (1958) ‘The Characteristics of Good Theory’, in Lazer, W. and Kelley, E. (eds) Managerial Marketing (rev. edn). Homewood, IL: Richard D. Irwin.
2. Baker, M. J. (1983) Market Development. Harmondsworth: Penguin.
3. Baker, M. J. (2006) Marketing (7th edn). Helensburgh: Westbum.
4. Baker, M. J. and Parkinson, S. (1978) ‘TI Superform’s Academic Launch’, Marketing (October).
5. Bliss, P. (1970) Marketing Management and the Behavioural Environment. Englewood Cliffs, NJ: Prentice Hall.