APA
Bos Marten,, . (1984). A methodology of international law. Netherlands: Elsevier Science Publishers.
Chicago
Bos Marten,, . 1984. A methodology of international law. Netherlands: Elsevier Science Publishers.
Harvard
Bos Marten,, . (1984). A methodology of international law. Netherlands: Elsevier Science Publishers.
MLA
Bos Marten,, . A methodology of international law. Netherlands: Elsevier Science Publishers. 1984.