Mahmudur Rahman, S. (2019). Bangladesh First day cover catalogue. Mukto Akash media star limited.
Cita Chicago (17th ed.)Mahmudur Rahman, Siddique. Bangladesh First Day Cover Catalogue. Dhaka: Mukto Akash media star limited, 2019.
Cita MLA (9th ed.)Mahmudur Rahman, Siddique. Bangladesh First Day Cover Catalogue. Mukto Akash media star limited, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.