Lua APA (7ú heag.)

SHELTOR, N., & BURTON, S. (1994). Assertiveness skills. Businnes One Irwin.

Lua i Stíl Chicago (17ú heag.)

SHELTOR, Nelda, agus Sharon BURTON. Assertiveness Skills. Burr Ridge: Businnes One Irwin, 1994.

Lua MLA (9ú heag.)

SHELTOR, Nelda, agus Sharon BURTON. Assertiveness Skills. Businnes One Irwin, 1994.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.