Παραπομπή APA
Clark, J. M. (1967). Preface to social economics: Essays on economic theory and social problems. New York: Augustus M. Kelley publishers.
Παραπομπή Chicago StyleClark, John Maurice. Preface to Social Economics: Essays On Economic Theory and Social Problems. New York: Augustus M. Kelley publishers, 1967.
Παραπομπή MLAClark, John Maurice. Preface to Social Economics: Essays On Economic Theory and Social Problems. New York: Augustus M. Kelley publishers, 1967.
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