EYBERS, G. v. F. (1969). Select constitutional documents illustrating South African history 1795 – 1910. George von Felfling Eybers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEYBERS, George von Felfling. Select Constitutional Documents Illustrating South African History 1795 – 1910. George von Felfling Eybers, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEYBERS, George von Felfling. Select Constitutional Documents Illustrating South African History 1795 – 1910. George von Felfling Eybers, 1969.
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