上官阿雅. (2016). 别让你的世界太拥挤: Don't make your world too crowded. 海南出版社.
Chicago (17e ed.) Bronvermelding上官阿雅. 别让你的世界太拥挤: Don't Make Your World Too Crowded. 海南出版社, 2016.
MLA (8e ed.) Bronvermelding上官阿雅. 别让你的世界太拥挤: Don't Make Your World Too Crowded. 海南出版社, 2016.
Let op: Deze citaties zijn niet altijd 100% accuraat.