APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.