APA (7th ed.) Citation

Zeylstra, W. G. (1977). Aid or development: The relevance of development aid to problems of developing countries (2. ed., 2. printing.). Sijthoff.

Chicago Style (17th ed.) Citation

Zeylstra, Willem Gustaaf. Aid or Development: The Relevance of Development Aid to Problems of Developing Countries. 2. ed., 2. printing. Leyden: Sijthoff, 1977.

MLA (9th ed.) Citation

Zeylstra, Willem Gustaaf. Aid or Development: The Relevance of Development Aid to Problems of Developing Countries. 2. ed., 2. printing. Sijthoff, 1977.