The manual of standards and directory of private home study schools and courses;
J.S. Noffsinger, editor.

APA Citation

National Home Study Council., Noffsinger, J. Samuel. (1947). The manual of standards and directory of private home study schools and courses. Washington.

MLA Citation

National Home Study Council, and John Samuel Noffsinger. The Manual of Standards And Directory of Private Home Study Schools And Courses. Washington, 1947.

Warning: These citations may not always be complete (especially for serials).