Lloyd, S. (1992). Developing pasitive assertiveness. Galgotia.
Chicagoスタイル(17版)引用形式Lloyd, Sam. Developing Pasitive Assertiveness. NewDelhi: Galgotia, 1992.
MLA(9版)引用形式Lloyd, Sam. Developing Pasitive Assertiveness. Galgotia, 1992.
警告: この引用は必ずしも正確ではありません.