APA-ийн эшлэл(7 дахь хэвлэлт)

Rogers, A. (2014). The base of the iceberg: Informal learning and its impact on formal and non-formal learning. Barbara Budrich Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Rogers, Alan. The Base of the Iceberg: Informal Learning and Its Impact on Formal and Non-formal Learning. Leverkusen, Germany ; Berlin, Germany: Barbara Budrich Publishers, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Rogers, Alan. The Base of the Iceberg: Informal Learning and Its Impact on Formal and Non-formal Learning. Barbara Budrich Publishers, 2014.