McGivney, V. (1999) Informal learning in the community: a trigger for change and development. Према: „Helen Colley, Phil Hodkinson & Janice Malcolm (2002) Non-formal learning: mapping the conceptual terrain. A Consultation Report, Leeds: University of Leeds Lifelong Learning Institute”. Такође доступно на: http://www.infed.org/archives/e-texts/colley_informal_learning.htm
Eraut, M. (2000) Non-formal learning, implicit learning and tacit knowledge Према: „Helen Colley, Phil Hodkinson & Janice Malcolm (2002) Non-formal learning: mapping the conceptual terrain. A Consultation Report, Leeds: University of Leeds Lifelong Learning Institute”. Такође доступно на: http://www.infed.org/archives/e-texts/colley_informal_learning.htm
Livingstone, D.W. (2001) Adults’ Informal Learning: Definitions, Findings, Gaps and Future Research Према: „Helen Colley, Phil Hodkinson & Janice Malcolm (2002) Non-formal learning: mapping the conceptual terrain. A Consultation Report, Leeds: University of Leeds Lifelong Learning Institute”. Такође доступно на: http://www.infed.org/archives/e-texts/colley_informal_learning.htm
Billett, S. (2001a) Participation and continuity at work: A critique of current workplace learning discourses, paper given at the conference Context, Power and Perspective: Confronting the Challenges to Improving Attainment in Learning at Work Према: „Helen Colley, Phil Hodkinson & Janice Malcolm (2002) Non-formal learning: mapping the conceptual terrain. A Consultation Report, Leeds: University of Leeds Lifelong Learning Institute”. Такође доступно на: http://www.infed.org/archives/e-texts/colley_informal_learning.htm
