井底之蛙. (2018). 看得见的幸运，看不见的努力: Visible luck, invisible effort. 广东人民出版社.
Chicago Style (17th ed.) Citation井底之蛙. 看得见的幸运，看不见的努力: Visible Luck, Invisible Effort. 广东人民出版社, 2018.
MLA (8th ed.) Citation井底之蛙. 看得见的幸运，看不见的努力: Visible Luck, Invisible Effort. 广东人民出版社, 2018.
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