Cita APA

Sheppard, E., & Barnes, T. J. (2003). Companion to economic geography. Blackwell Publishers.

Chicago Edition Citation

Sheppard, Eric, i Trevor J. Barnes. Companion to Economic Geography. Oxford: Blackwell Publishers, 2003.

Cita MLA

Sheppard, Eric, i Trevor J. Barnes. Companion to Economic Geography. Blackwell Publishers, 2003.