Steeples, D. W. (1988). Successful strategic planning: Case studies / Douglas W. Steeples, editor. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Steeples, Douglas W. Successful Strategic Planning: Case Studies / Douglas W. Steeples, Editor. San Francisco: Jossey-Bass, 1988.
Lua MLA (9ú heag.)Steeples, Douglas W. Successful Strategic Planning: Case Studies / Douglas W. Steeples, Editor. Jossey-Bass, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.