Nylen, D. (1967). Handbook of staff development and human relations training: Materials developed for use in Africa (Rev. & expanded ed. by D. Nylen J. Robert Mitchell and Anthony Stout.). The European Institute for Trans-National Studies in Group and Organizational Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Nylen, Donald. Handbook of Staff Development and Human Relations Training: Materials Developed for Use in Africa. Rev. & expanded ed. by D. Nylen J. Robert Mitchell and Anthony Stout. Copenhagen: The European Institute for Trans-National Studies in Group and Organizational Development, 1967.
Παραπομπή σε μορφή MLA (9th εκδ.)Nylen, Donald. Handbook of Staff Development and Human Relations Training: Materials Developed for Use in Africa. Rev. & expanded ed. by D. Nylen J. Robert Mitchell and Anthony Stout. The European Institute for Trans-National Studies in Group and Organizational Development, 1967.