Osborne, J. (1963). Under plain cover: A play in one act. faber.
Chicagoスタイル(17版)引用形式Osborne, John. Under Plain Cover: A Play in One Act. London: faber, 1963.
MLA(9版)引用形式Osborne, John. Under Plain Cover: A Play in One Act. faber, 1963.
警告: この引用は必ずしも正確ではありません.