APA
Bos M., . (1973). The present state of international law and other essays written in honour of the centenary celebration of the International Law Association. DeventerNL: Kluwer.
Chicago
Bos Maarten, . 1973. The present state of international law and other essays written in honour of the centenary celebration of the International Law Association. DeventerNL: Kluwer.
Harvard
Bos M., . (1973). The present state of international law and other essays written in honour of the centenary celebration of the International Law Association. DeventerNL: Kluwer.
MLA
Bos Maarten, . The present state of international law and other essays written in honour of the centenary celebration of the International Law Association. DeventerNL: Kluwer. 1973.