Umar, B. (1979). Imperialism And General Crisis Of The Bourgeoisie In Bangladesh. Progoti Prokashani.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUmar, Badruddin. Imperialism And General Crisis Of The Bourgeoisie In Bangladesh. Dacca: Progoti Prokashani, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUmar, Badruddin. Imperialism And General Crisis Of The Bourgeoisie In Bangladesh. Progoti Prokashani, 1979.
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