Widener Memorial School for Crippled Children, Philadelphia (Pa.). Board of Public Education, Hoyer, L. P., & Hay, C. K. (1942). Services to the orthopedically handicapped: A report of a study made under the auspices of the Trustees of the Widener memorial school for crippled children and the Board of public education, School district of Philadelphia. [The Walther printing house].
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Widener Memorial School for Crippled Children, Philadelphia (Pa.). Board of Public Education, Louis P. Hoyer, và Charles K. Hay. Services to the Orthopedically Handicapped: A Report of a Study Made Under the Auspices of the Trustees of the Widener Memorial School for Crippled Children and the Board of Public Education, School District of Philadelphia. Philadelphia: [The Walther printing house], 1942.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Widener Memorial School for Crippled Children, et al. Services to the Orthopedically Handicapped: A Report of a Study Made Under the Auspices of the Trustees of the Widener Memorial School for Crippled Children and the Board of Public Education, School District of Philadelphia. [The Walther printing house], 1942.