Senelle, R. (1972). The revision of the Constitution 1967-1971. Ministry of Foreign Affairs, External Trade and Cooperation in Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSenelle, Robert. The Revision of the Constitution 1967-1971. [Brussels]: Ministry of Foreign Affairs, External Trade and Cooperation in Development, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSenelle, Robert. The Revision of the Constitution 1967-1971. Ministry of Foreign Affairs, External Trade and Cooperation in Development, 1972.
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