Association for Educational Communications and Technology & American Society for Training and Development. Media Division. (1985). Educational media and technology yearbook. Libraries Unlimited, Inc..
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Association for Educational Communications and Technology ба American Society for Training and Development. Media Division. Educational Media and Technology Yearbook. Littleton, Colo.: Libraries Unlimited, Inc., 1985.
MLA -ийн эшлэл (9 дэх хэвлэлт)Association for Educational Communications and Technology ба American Society for Training and Development. Media Division. Educational Media and Technology Yearbook. Libraries Unlimited, Inc., 1985.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.