E. L. Trist, K. W. Bamforth:Some Social and Psychological Consequences of the Longwall Method of Coal-Getting: An Examination of the Psychological Situation and Defences of a Work Group in Relation to the Social Structure and Technological Content of the Work System. In: Human Relations. Band4, Nr.1, Februar 1951, ISSN0018-7267, S.3–38, doi:10.1177/001872675100400101 (sagepub.com[abgerufen am 1.April 2026]).
E. L. Trist, K. W. Bamforth:Some Social and Psychological Consequences of the Longwall Method of Coal-Getting: An Examination of the Psychological Situation and Defences of a Work Group in Relation to the Social Structure and Technological Content of the Work System. In: Human Relations. Band4, Nr.1, Februar 1951, ISSN0018-7267, S.3–38, doi:10.1177/001872675100400101 (sagepub.com[abgerufen am 1.April 2026]).
E. L. Trist, K. W. Bamforth:Some Social and Psychological Consequences of the Longwall Method of Coal-Getting: An Examination of the Psychological Situation and Defences of a Work Group in Relation to the Social Structure and Technological Content of the Work System. In: Human Relations. Band4, Nr.1, Februar 1951, ISSN0018-7267, S.3–38, doi:10.1177/001872675100400101 (sagepub.com[abgerufen am 1.April 2026]).