APA
Chan Man Fong C., Kee D. D., . (1999). Perturbation methods, instability, catastrophe and chaos. Singapore: World Scientific.
Chicago
Chan Man Fong C.F, Kee D De, . 1999. Perturbation methods, instability, catastrophe and chaos. Singapore: World Scientific.
Harvard
Chan Man Fong C., Kee D. D., . (1999). Perturbation methods, instability, catastrophe and chaos. Singapore: World Scientific.
MLA
Chan Man Fong C.F, Kee D De, . Perturbation methods, instability, catastrophe and chaos. Singapore: World Scientific. 1999.