APA
Organisation for Economic Cooperation and Development, Organisation for Economic Cooperation and Development, . (1967). Development assistance efforts and policies, 1967. : .
Chicago
Organisation for Economic Cooperation and Development, Organisation for Economic Cooperation and Development, . 1967. Development assistance efforts and policies, 1967. : .
Harvard
Organisation for Economic Cooperation and Development, Organisation for Economic Cooperation and Development, . (1967). Development assistance efforts and policies, 1967. : .
MLA
Organisation for Economic Cooperation and Development, Organisation for Economic Cooperation and Development, . Development assistance efforts and policies, 1967. : . 1967.
