APA
Bernhardt Rudolf,, . (1983). Encyclopedia of public international law. Vol.VI : Regional cooperation, organisations and problems. Amsterdam: North - Holland Publishing Co.
Chicago
Bernhardt Rudolf,, . 1983. Encyclopedia of public international law. Vol.VI : Regional cooperation, organisations and problems. Amsterdam: North - Holland Publishing Co.
Harvard
Bernhardt Rudolf,, . (1983). Encyclopedia of public international law. Vol.VI : Regional cooperation, organisations and problems. Amsterdam: North - Holland Publishing Co.
MLA
Bernhardt Rudolf,, . Encyclopedia of public international law. Vol.VI : Regional cooperation, organisations and problems. Amsterdam: North - Holland Publishing Co. 1983.