Timm, P. R. (1993). Successful self-management: A psychologically sound approach to personal effectiveness (Rev. ed.). Crisp Publications.
Lua i Stíl Chicago (17ú heag.)Timm, Paul R. Successful Self-management: A Psychologically Sound Approach to Personal Effectiveness. Rev. ed. Menlo Park, Calif.: Crisp Publications, 1993.
Lua MLA (9ú heag.)Timm, Paul R. Successful Self-management: A Psychologically Sound Approach to Personal Effectiveness. Rev. ed. Crisp Publications, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.