(美)华莱士·D.沃特尔斯(WallaceD.Wattles)著. (2010). 财富来敲门：财富的秘密. 金城出版社.
Lua i Stíl Chicago (17ú heag.)(美)华莱士·D.沃特尔斯(WallaceD.Wattles)著. 财富来敲门：财富的秘密. 金城出版社, 2010.
Lua MLA (8ú heag.)(美)华莱士·D.沃特尔斯(WallaceD.Wattles)著. 财富来敲门：财富的秘密. 金城出版社, 2010.
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