Jepma, C. J. (1991). The tying of aid. Development Centre of the Organisation for Economic Co-operation and Development].
Citazione stile Chigago Style (17a edizione)Jepma, C. J. The Tying of Aid. Paris: Development Centre of the Organisation for Economic Co-operation and Development], 1991.
Citatione MLA (9a ed.)Jepma, C. J. The Tying of Aid. Development Centre of the Organisation for Economic Co-operation and Development], 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.