Lillard, P. P. (1972). Montessori : a modern approach / by P.P. Lillard: A modern approach. Schochen Books.
Chicago Edition CitationLillard, P. P. Montessori : A Modern Approach / by P.P. Lillard: A Modern Approach. Schochen Books, 1972.
MLA Edition CitationLillard, P. P. Montessori : A Modern Approach / by P.P. Lillard: A Modern Approach. Schochen Books, 1972.
Warning: These citations may not always be 100% accurate.