Guthrie, L., & Mattinson, J. (1971). Brief casework with a marital problem. Institute of Marital Studies, Tavistock Institute of Human Relations; Distributed by Research Publications Services.

Guthrie, Lorna, and Janet Mattinson. Brief Casework with a Marital Problem. London: Institute of Marital Studies, Tavistock Institute of Human Relations; Distributed by Research Publications Services, 1971.

Guthrie, Lorna, and Janet Mattinson. Brief Casework with a Marital Problem. Institute of Marital Studies, Tavistock Institute of Human Relations; Distributed by Research Publications Services, 1971.