APA (7e ed.) Bronvermelding
Lê, H. C., & Le, H. K. (2010). Selected problems of the Vietnamese Mathematical Olympiad (1962-2009). World Scientific.
Chicago (17e ed.) Bronvermelding
Lê, Hải Châu, en Hai Khoi Le. Selected Problems of the Vietnamese Mathematical Olympiad (1962-2009). Singapore ; London: World Scientific, 2010.
MLA (9e ed.) Bronvermelding
Lê, Hải Châu, en Hai Khoi Le. Selected Problems of the Vietnamese Mathematical Olympiad (1962-2009). World Scientific, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.