Hasan, A. (1978). The book in multilingual countries. Unesco.
Chicagoスタイル(17版)引用形式Hasan, Abul. The Book in Multilingual Countries. Paris: Unesco, 1978.
MLA(9版)引用形式Hasan, Abul. The Book in Multilingual Countries. Unesco, 1978.
警告: この引用は必ずしも正確ではありません.