Cita APA (7a ed.)

Zhang, Y., & Xie, Y. (2005). Small community airport choice behavior analysis: A case study of GTR. [s.n.].

Cita Chicago Style (17a ed.)

Zhang, Yunlong, y Yuanchang Xie. Small Community Airport Choice Behavior Analysis: A Case Study of GTR. [S.l.]: [s.n.], 2005.

Cita MLA (9a ed.)

Zhang, Yunlong, y Yuanchang Xie. Small Community Airport Choice Behavior Analysis: A Case Study of GTR. [s.n.], 2005.