American Association for Adult and Continuing Education. Adult education quarterly. American Association for Adult and Continuing Education.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)American Association for Adult and Continuing Education. Adult Education Quarterly. [Washington, D.C.]: American Association for Adult and Continuing Education.
MLA -ийн эшлэл (9 дэх хэвлэлт)American Association for Adult and Continuing Education. Adult Education Quarterly. American Association for Adult and Continuing Education.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.