Lancaster, F. W. (1983). Guidelines for the evaluation of training courses, workshops, and seminars (2nd ed.). Bureau of Studies and Programming, Unesco.
Citazione stile Chigago Style (17a edizione)Lancaster, Frederick Wilfrid. Guidelines for the Evaluation of Training Courses, Workshops, and Seminars. 2nd ed. Paris: Bureau of Studies and Programming, Unesco, 1983.
Citatione MLA (9a ed.)Lancaster, Frederick Wilfrid. Guidelines for the Evaluation of Training Courses, Workshops, and Seminars. 2nd ed. Bureau of Studies and Programming, Unesco, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.