Merrill-Palmer School & Wilson, C. A. (1930). The Merrill-Palmer standards of physical and mental growth.
Lua i Stíl Chicago (17ú heag.)Merrill-Palmer School agus Charles Alexander Wilson. The Merrill-Palmer Standards of Physical and Mental Growth. Detroit, 1930.
Lua MLA (8ú heag.)Merrill-Palmer School agus Charles Alexander Wilson. The Merrill-Palmer Standards of Physical and Mental Growth. 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.