Não informado. Progress Report of the Land Resources Division. Ministry of Overseas Development.
Citação do estilo Chicago (17ª ed.)Não informado. Progress Report of the Land Resources Division. Surbiton, Inglaterra: Ministry of Overseas Development.
Citação MLA (8ª ed.)Não informado. Progress Report of the Land Resources Division. Ministry of Overseas Development.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.