Ackert, P., Navarro, N. G. d., & Bernard, J. (2004). Cause and effect: Intermediate reading practice with answers (3rd ed.). Tp.HCM: Nxb Trẻ.
Čikaški stil citiranjaAckert, Patricia., Nicki Giroux de Navarro, i Jean Bernard. Cause and Effect: Intermediate Reading Practice With Answers. 3rd ed. Tp.HCM: Nxb Trẻ, 2004.
MLA način citiranjaAckert, Patricia., Nicki Giroux de Navarro, i Jean Bernard. Cause and Effect: Intermediate Reading Practice With Answers. 3rd ed. Tp.HCM: Nxb Trẻ, 2004.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.