乐嘉. (2012). FPA性格色彩入门: Four-colors personality analysis. 湖南文艺出版社.
Lua i Stíl Chicago (17ú heag.)乐嘉. FPA性格色彩入门: Four-colors Personality Analysis. 湖南文艺出版社, 2012.
Lua MLA (8ú heag.)乐嘉. FPA性格色彩入门: Four-colors Personality Analysis. 湖南文艺出版社, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.