Não informado. (1971). IDS Communication. University of Sussex, Institute of Development Studies.
Citace podle Chicago (17th ed.)Não informado. IDS Communication. Brighton, Inglaterra: University of Sussex, Institute of Development Studies, 1971.
Citace podle MLA (8th ed.)Não informado. IDS Communication. University of Sussex, Institute of Development Studies, 1971.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..