Peelen, E. (2022). Customer relationship management. Pearson India Edu. Services.
芝加哥风格引文Peelen, Ed. Customer Relationship Management. Noida: Pearson India Edu. Services, 2022.
MLA引文Peelen, Ed. Customer Relationship Management. Pearson India Edu. Services, 2022.
警告：这些引文格式不一定是100％准确.