1. Ahlers, M. (2012): Wachstumspotenzial Kleinkunde, in: Acquisa, 10, H. 9, S. 58–59.
2. Belz, Ch./ Schmitz, C. (2008): Erfolg mit kleinen Geschäften im Business-to-Business Marketing, St. Gallen.
3. Belz, Ch./ Schmitz, C./ Zupancic, D. (2008): So managen Sie Kleinkunden, in: Harvard Business Manager, 30, H. 7, S. 70–79.
4. Bowman, D./ Darayandas, D. (2004): Linking customer management effort to customer profitability in business markets, in: Journal of Marketing Research, 41, H. 4, pp. 433–447.
5. Rosenblum, D./ Tomlinson, D./ Scott, L. (2003): Bottom-feeding for blockbuster businesses, in: Harvard Business Review, 81, H. 3, pp. 52–9.