希尔 & 威廉姆森. (2011). 成功的魔法种子: Napoleon Hill's magic seeds for success. 金城出版社.
Chicago Style (17th ed.) Citation希尔 and 威廉姆森. 成功的魔法种子: Napoleon Hill's Magic Seeds for Success. 金城出版社, 2011.
MLA (8th ed.) Citation希尔 and 威廉姆森. 成功的魔法种子: Napoleon Hill's Magic Seeds for Success. 金城出版社, 2011.
Warning: These citations may not always be 100% accurate.