APA

Kaplan J. J., . (1967). The challenge of foreign aid: policies, problems, and possibilities. New York: Praeger.

Chicago

Kaplan Jacob Julius, . 1967. The challenge of foreign aid: policies, problems, and possibilities. New York: Praeger.

Harvard

Kaplan J. J., . (1967). The challenge of foreign aid: policies, problems, and possibilities. New York: Praeger.

MLA

Kaplan Jacob Julius, . The challenge of foreign aid: policies, problems, and possibilities. New York: Praeger. 1967.