Colombo Plan Bureau. (1973). Development aid: Contributions of major donors. Information Dept., Colombo Plan Bureau].
Chicago-viite (17. p.)Colombo Plan Bureau. Development Aid: Contributions of Major Donors. [Colombo: Information Dept., Colombo Plan Bureau], 1973.
MLA-viite (8. p.)Colombo Plan Bureau. Development Aid: Contributions of Major Donors. Information Dept., Colombo Plan Bureau], 1973.
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