Verzijl, J. H. W. (1968). International law in historical perspective. A.W. Sijthoff.
Chicago Style (17th ed.) CitationVerzijl, J. H. W. International Law in Historical Perspective. Leyden: A.W. Sijthoff, 1968.
MLA (9th ed.) CitationVerzijl, J. H. W. International Law in Historical Perspective. A.W. Sijthoff, 1968.
Warning: These citations may not always be 100% accurate.