Ladao, J. J. (1994). Media in teaching: The principles of graphic design, production of visual aids (VA) and their utilization. Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila.
Čikaški stil citiranja (17. izdanje)Ladao, Joaquin Jr. Media in Teaching: The Principles of Graphic Design, Production of Visual Aids (VA) and Their Utilization. Manila: Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila, 1994.
MLA način citiranja (9. izdanje)Ladao, Joaquin Jr. Media in Teaching: The Principles of Graphic Design, Production of Visual Aids (VA) and Their Utilization. Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila, 1994.