Achterkamp, M. C. (1999). Influence strategies in collective decision making: A comparison of two models. Rijksuniversiteit Groningen.
Lua i Stíl Chicago (17ú heag.)Achterkamp, Marjolein Clasine. Influence Strategies in Collective Decision Making: A Comparison of Two Models. Groningen: Rijksuniversiteit Groningen, 1999.
Lua MLA (8ú heag.)Achterkamp, Marjolein Clasine. Influence Strategies in Collective Decision Making: A Comparison of Two Models. Rijksuniversiteit Groningen, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.