Lane, H. A., & Lane, M. L. B. (1959). Understanding human development. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Lane, Howard A., agus Mary Lois Beauchamp Lane. Understanding Human Development. Englewood Cliffs, N.J: Prentice-Hall, 1959.
Lua MLA (9ú heag.)Lane, Howard A., agus Mary Lois Beauchamp Lane. Understanding Human Development. Prentice-Hall, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.