APA
Foster D. W., . (1972). Successful management in developing countries. V 2. Principles of marketing. New Delhi: Orinet Longman.
Chicago
Foster Douglas W, . 1972. Successful management in developing countries. V 2. Principles of marketing. New Delhi: Orinet Longman.
Harvard
Foster D. W., . (1972). Successful management in developing countries. V 2. Principles of marketing. New Delhi: Orinet Longman.
MLA
Foster Douglas W, . Successful management in developing countries. V 2. Principles of marketing. New Delhi: Orinet Longman. 1972.