Joint Committee of the American Library Association, National Education Association, Association for Childhood Education and National Council of Teachers of English, & Snow, M. B. 1. (1951). A basic book collection for elementary grades (5th edition.). American Library Association.
Lua i Stíl Chicago (17ú heag.)Joint Committee of the American Library Association, National Education Association, Association for Childhood Education and National Council of Teachers of English, agus Miriam Braley 1905 Snow. A Basic Book Collection for Elementary Grades. 5th edition. Chicago, Illinois: American Library Association, 1951.
Lua MLA (9ú heag.)Joint Committee of the American Library Association, National Education Association, Association for Childhood Education and National Council of Teachers of English, agus Miriam Braley 1905 Snow. A Basic Book Collection for Elementary Grades. 5th edition. American Library Association, 1951.