林菲. (2010). 轻松赢得客户的推销话术: Sales talk skill for winning customers easily. 海潮出版社.
Chicago-стиль цитирования林菲. 轻松赢得客户的推销话术: Sales Talk Skill for Winning Customers Easily. 海潮出版社, 2010.
MLA-цитирование林菲. 轻松赢得客户的推销话术: Sales Talk Skill for Winning Customers Easily. 海潮出版社, 2010.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.