Lua APA (7ú heag.)
Vesper, K. H. (1990). New Venture strategies (Rev ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)
Vesper, Karl H. New Venture Strategies. Rev ed. New Jersey: Prentice-Hall, 1990.
Lua MLA (9ú heag.)
Vesper, Karl H. New Venture Strategies. Rev ed. Prentice-Hall, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.