格雷 & 哈里斯. (2011). 人人都有一块幸运石: Reallionaire nine steps to becoming rich from the inside out. 人民日报出版社.
Citace podle Chicago (17th ed.)格雷 a 哈里斯. 人人都有一块幸运石: Reallionaire Nine Steps to Becoming Rich from the Inside Out. 人民日报出版社, 2011.
Citace podle MLA (8th ed.)格雷 a 哈里斯. 人人都有一块幸运石: Reallionaire Nine Steps to Becoming Rich from the Inside Out. 人民日报出版社, 2011.
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