古铁雷斯 & 魏怡. (2010). 磨难成就卓越: No matter where you stand today,your next step can be into greatness. 陕西师范大学出版社.
Chicago (17e ed.) Bronvermelding古铁雷斯 en 魏怡. 磨难成就卓越: No Matter Where You Stand Today,your Next Step Can Be into Greatness. 陕西师范大学出版社, 2010.
MLA (8e ed.) Bronvermelding古铁雷斯 en 魏怡. 磨难成就卓越: No Matter Where You Stand Today,your Next Step Can Be into Greatness. 陕西师范大学出版社, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.