Cita APA (7a ed.)
Langhammer, R. J., & Hiemenz, U. (1990). Regional Integration among Developing Countries: Opportunities, Obstacles and Options (1. ed.). Mohr.
Cita Chicago Style (17a ed.)
Langhammer, Rolf J., y Ulrich Hiemenz. Regional Integration Among Developing Countries: Opportunities, Obstacles and Options. 1. ed. Tübingen: Mohr, 1990.
Cita MLA (9a ed.)
Langhammer, Rolf J., y Ulrich Hiemenz. Regional Integration Among Developing Countries: Opportunities, Obstacles and Options. 1. ed. Mohr, 1990.
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