(1971). The Bangladesh observer. Al Helal Print. and Pub. Co. Ltd..
Chicagoスタイル(17版)引用形式The Bangladesh Observer. Dacca, Bangladesh: Al Helal Print. and Pub. Co. Ltd., 1971.
MLA(8版)引用形式The Bangladesh Observer. Al Helal Print. and Pub. Co. Ltd., 1971.
警告: この引用は必ずしも正確ではありません.