Ringbeck, B., Brincks-Murmann, C., & Fowler, A. (2008). Management plans for world heritage sites a practical guide (English edition.). Deutsche UNESCO-Kommission.
Lua i Stíl Chicago (17ú heag.)Ringbeck, Birgitta, Claudia Brincks-Murmann, agus Angus Fowler. Management Plans for World Heritage Sites a Practical Guide. English edition. Bonn: Deutsche UNESCO-Kommission, 2008.
Lua MLA (9ú heag.)Ringbeck, Birgitta, et al. Management Plans for World Heritage Sites a Practical Guide. English edition. Deutsche UNESCO-Kommission, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.