Seibel, H. D. (1992). Self-help groups as financial intermediaries: A training manual for self-help groups, banks and NGOs. Breitenbach.
Lua i Stíl Chicago (17ú heag.)Seibel, Hans Dieter. Self-help Groups as Financial Intermediaries: A Training Manual for Self-help Groups, Banks and NGOs. Saarbrücken ; Fort Lauderdale: Breitenbach, 1992.
Lua MLA (8ú heag.)Seibel, Hans Dieter. Self-help Groups as Financial Intermediaries: A Training Manual for Self-help Groups, Banks and NGOs. Breitenbach, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.