Wright, P. L., & Taylor, D. S. (1984). Improving leadership performance. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Wright, Peter L., agus David S. Taylor. Improving Leadership Performance. Englewood Cliffs, N.J: Prentice-Hall, 1984.
Lua MLA (9ú heag.)Wright, Peter L., agus David S. Taylor. Improving Leadership Performance. Prentice-Hall, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.