Society for the Advancement of Education. USA today. [Society for the Advancement of Education].
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Society for the Advancement of Education. USA Today. [New York]: [Society for the Advancement of Education].
MLA -ийн эшлэл (9 дэх хэвлэлт)Society for the Advancement of Education. USA Today. [Society for the Advancement of Education].
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.