Gaya APA
Ullah, Md. Shafiq. (1986).
Bangladesh .
:
United Nations.
Gaya Chicago
Ullah, Md. Shafiq.
Bangladesh.
:
United Nations,
1986.
Computer Software.
Gaya MLA
Ullah, Md. Shafiq.
Bangladesh.
:
United Nations,
1986.
Computer Software.
Gaya Turabian
Ullah, Md. Shafiq.
Bangladesh.
:
United Nations,
1986.
Computer Software.