Andreasen, G. (1963). In twenty years: Our common future. Popular Prakashan.
シカゴスタイル引用形Andreasen, Gunnar. In Twenty Years: Our Common Future. Bombay: Popular Prakashan, 1963.
MLA引用形式Andreasen, Gunnar. In Twenty Years: Our Common Future. Popular Prakashan, 1963.
警告: この引用は必ずしも正確ではありません.