APA-ийн эшлэл(7 дахь хэвлэлт)
Cross, K. P. The Missing Link: Connecting Adult Learners to Learning Resources. College Entrance Examination Board.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Cross, Kathryn Patricia. The Missing Link: Connecting Adult Learners to Learning Resources. Nueva York, EUA: College Entrance Examination Board.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Cross, Kathryn Patricia. The Missing Link: Connecting Adult Learners to Learning Resources. College Entrance Examination Board.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.