Johnson, D. W., & Johnson, F. P. (1982). Joining together: Group theory and group skills (2nd.ed.). Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson, David W., और Frank P. Johnson. Joining Together: Group Theory and Group Skills. 2nd.ed. New Jersey: Prentice-Hall, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJohnson, David W., और Frank P. Johnson. Joining Together: Group Theory and Group Skills. 2nd.ed. Prentice-Hall, 1982.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.