Thommen, T. K. (1962). Legal status of government merchant ships in international law. Nijhoff.
Tohutoru Kātū Chicago (17th ed.)Thommen, Thamarappallil Kochu. Legal Status of Government Merchant Ships in International Law. The Hague: Nijhoff, 1962.
Tohutoro MLA (9th ed.)Thommen, Thamarappallil Kochu. Legal Status of Government Merchant Ships in International Law. Nijhoff, 1962.
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