梅德辉. (2009). 信心比黄金更重要: Confidence is more important than gold. 新世界出版社.
Chicago (17e ed.) Bronvermelding梅德辉. 信心比黄金更重要: Confidence Is More Important than Gold. 新世界出版社, 2009.
MLA (8e ed.) Bronvermelding梅德辉. 信心比黄金更重要: Confidence Is More Important than Gold. 新世界出版社, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.