Higuera-Martínez, O. I. (2010). Discrete-time model for variable structure systems. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Čikaški stil citiranja (17. izdanje)Higuera-Martínez, Oscar Iván. Discrete-time Model for Variable Structure Systems. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2010.
MLA način citiranja (9. izdanje)Higuera-Martínez, Oscar Iván. Discrete-time Model for Variable Structure Systems. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2010.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.
