Shepherd, D. A., & Shanley, M. (1998). New venture strategy: Timing, environmental uncertainty and performance. Sage.
Lua i Stíl Chicago (17ú heag.)Shepherd, Dean A., agus Mark Shanley. New Venture Strategy: Timing, Environmental Uncertainty and Performance. Thousand Oaks, Calif: Sage, 1998.
Lua MLA (9ú heag.)Shepherd, Dean A., agus Mark Shanley. New Venture Strategy: Timing, Environmental Uncertainty and Performance. Sage, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.