Cita APA (7a ed.)
Lê, H. C., & Le, H. K. (2010). Selected problems of the Vietnamese Mathematical Olympiad (1962-2009). World Scientific.
Cita Chicago Style (17a ed.)
Lê, Hải Châu, y Hai Khoi Le. Selected Problems of the Vietnamese Mathematical Olympiad (1962-2009). Singapore ; London: World Scientific, 2010.
Cita MLA (9a ed.)
Lê, Hải Châu, y Hai Khoi Le. Selected Problems of the Vietnamese Mathematical Olympiad (1962-2009). World Scientific, 2010.
Precaución: Estas citas no son 100% exactas.