Zeylstra, W. G. (1975). Aid or development: The relevance of development aid to problems of developing countries. A.W. Sijthoff.
Цитирование в стиле Чикаго (17-е изд.)Zeylstra, Willem Gustaaf. Aid or Development: The Relevance of Development Aid to Problems of Developing Countries. Leyden: A.W. Sijthoff, 1975.
Цитирование MLA (9-е изд.)Zeylstra, Willem Gustaaf. Aid or Development: The Relevance of Development Aid to Problems of Developing Countries. A.W. Sijthoff, 1975.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.