Cita APA (7a ed.)

Kerremans, B., & Switky, B. (2000). The political importance of regional trading blocs. Ashgate.

Cita Chicago Style (17a ed.)

Kerremans, Bart, y Bob Switky. The Political Importance of Regional Trading Blocs. Aldershot [etc.]: Ashgate, 2000.

Cita MLA (9a ed.)

Kerremans, Bart, y Bob Switky. The Political Importance of Regional Trading Blocs. Ashgate, 2000.