Gaya APA

Kim, Y, S., Lee, D. (2008). A conceptual model to stratify customers to improve customer profitability: diamond model (Vol. 9, No. 1). China: Emerald Insight.

Gaya MLA

Kim, Youn, Sung., Lee, Dongwon. "A conceptual model to stratify customers to improve customer profitability: diamond model". Vol. 9, No. 1 China: Emerald Insight, 2008. Article.