APA

Bernhardt Rudolf,, . (1984). Encyclopedia of public international law. Vol.VII : History of international law, foundations and principles of international law, sources of international law ,law of treaties. Amsterdam: North - Holland Publishing Co.

Chicago

Bernhardt Rudolf,, . 1984. Encyclopedia of public international law. Vol.VII : History of international law, foundations and principles of international law, sources of international law ,law of treaties. Amsterdam: North - Holland Publishing Co.

Harvard

Bernhardt Rudolf,, . (1984). Encyclopedia of public international law. Vol.VII : History of international law, foundations and principles of international law, sources of international law ,law of treaties. Amsterdam: North - Holland Publishing Co.

MLA

Bernhardt Rudolf,, . Encyclopedia of public international law. Vol.VII : History of international law, foundations and principles of international law, sources of international law ,law of treaties. Amsterdam: North - Holland Publishing Co. 1984.