Audio-visual handbook :
suggested procedures in organizing and conducting an audio-visual program in Los Angeles city secondary schools.
APA Citation
Los Angeles City School District. (1956). Audio-visual handbook: suggested procedures in organizing and conducting an audio-visual program in Los Angeles city secondary schools. [Los Angeles]: Los Angeles City School districts, Division of Instructional Services, Audio-Visual Section.
MLA Citation
Los Angeles City School District. Audio-visual Handbook: Suggested Procedures In Organizing And Conducting an Audio-visual Program In Los Angeles City Secondary Schools. [Los Angeles]: Los Angeles City School districts, Division of Instructional Services, Audio-Visual Section, 1956.
Warning: These citations may not always be complete (especially for serials).