Doll, R. C. (1974). Curriculum improvement: Decision making and process (3d ed.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoll, Ronald C. Curriculum Improvement: Decision Making and Process. 3d ed. Boston: Allyn and Bacon, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDoll, Ronald C. Curriculum Improvement: Decision Making and Process. 3d ed. Allyn and Bacon, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.