豪顿 & 凯利. (2008). 现在轮到你成功: Now it's your turn for success. 金城出版社.
Chicago (17e ed.) Bronvermelding豪顿 en 凯利. 现在轮到你成功: Now It's Your Turn for Success. 金城出版社, 2008.
MLA (8e ed.) Bronvermelding豪顿 en 凯利. 现在轮到你成功: Now It's Your Turn for Success. 金城出版社, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.