(2010). 生活的准则: Laws of life. 印刷工业出版社.
Chicago Style (17th ed.) Citation生活的准则: Laws of Life. 印刷工业出版社, 2010.
MLA (8th ed.) Citation生活的准则: Laws of Life. 印刷工业出版社, 2010.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
APA (7th ed.) Citation