Cita APA (7th ed.)

Lloyd, S. (1992). Developing pasitive assertiveness. Galgotia.

Cita Chicago (17th ed.)

Lloyd, Sam. Developing Pasitive Assertiveness. NewDelhi: Galgotia, 1992.

Cita MLA (9th ed.)

Lloyd, Sam. Developing Pasitive Assertiveness. Galgotia, 1992.