Bangladesh National Geographical Association. (1974). Bhūgola sāmaẏikī. Bāṃlādeśa Jātīẏa Bhūgola Samiti.
Chicago Style (17th ed.) CitationBangladesh National Geographical Association. Bhūgola Sāmaẏikī. Ḍhākā: Bāṃlādeśa Jātīẏa Bhūgola Samiti, 1974.
ציטוט MLABangladesh National Geographical Association. Bhūgola Sāmaẏikī. Bāṃlādeśa Jātīẏa Bhūgola Samiti, 1974.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.