Bauer, R., Fokkema, D. W., & Graat, M. d. (1990). Space and boundaries: München 1988 : in five volumes / general ed. Roger Bauer, Douwe Fokkema. Assistant ed. Michael de Graat. Iudicium-Verl.
Čikaški stil citiranja (17. izdanje)Bauer, Roger, Douwe W. Fokkema, i Michael de Graat. Space and Boundaries: München 1988 : In Five Volumes / General Ed. Roger Bauer, Douwe Fokkema. Assistant Ed. Michael De Graat. München: Iudicium-Verl, 1990.
MLA način citiranja (8. izdanje)Bauer, Roger, et al. Space and Boundaries: München 1988 : In Five Volumes / General Ed. Roger Bauer, Douwe Fokkema. Assistant Ed. Michael De Graat. Iudicium-Verl, 1990.
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