Hoffmann, N., & Platen, A. (2013). Loyalty schemes in retailing: A comparison of stand-alone and multi-partner programs. PL Academic Research.
芝加哥风格引文Hoffmann, Nicolas, 与 Atelier Platen. Loyalty Schemes in Retailing: A Comparison of Stand-alone and Multi-partner Programs. Frankfurt am Main, Germany: PL Academic Research, 2013.
MLA引文Hoffmann, Nicolas, 与 Atelier Platen. Loyalty Schemes in Retailing: A Comparison of Stand-alone and Multi-partner Programs. PL Academic Research, 2013.
警告：这些引文格式不一定是100％准确.