Seibel, H. D. (1992). Self-help groups as financial intermediaries: A training manual for self-help groups, banks and NGOs. Breitenbach.
Citazione stile Chigago Style (17a edizione)Seibel, Hans Dieter. Self-help Groups as Financial Intermediaries: A Training Manual for Self-help Groups, Banks and NGOs. Saarbrücken ; Fort Lauderdale: Breitenbach, 1992.
Citatione MLA (8a ed.)Seibel, Hans Dieter. Self-help Groups as Financial Intermediaries: A Training Manual for Self-help Groups, Banks and NGOs. Breitenbach, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.