Schieffer, A., & Lessem, R. (2014). Integral development: Realising the transformative potential of individuals, organisations and societies. Gower.
Lua i Stíl Chicago (17ú heag.)Schieffer, Alexander, agus Ronnie Lessem. Integral Development: Realising the Transformative Potential of Individuals, Organisations and Societies. Farnham, Surrey, England ; Burlington, Vermont: Gower, 2014.
Lua MLA (9ú heag.)Schieffer, Alexander, agus Ronnie Lessem. Integral Development: Realising the Transformative Potential of Individuals, Organisations and Societies. Gower, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.