杨哲 & 杨春. (2005). 商场·超市假日促销管理: Management of holiday sales promotion. 海天出版社.
Lua i Stíl Chicago (17ú heag.)杨哲 agus 杨春. 商场·超市假日促销管理: Management of Holiday Sales Promotion. 海天出版社, 2005.
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.