LEIGH DAVID. (1998). ENCYCLOPAEDIA OF PRACTICAL MANAGEMENT TRAINING: GROUPS TRAINING. JAICO PUBLISHING HOUSE.
Citazione stile Chigago Style (17a edizione)LEIGH DAVID. ENCYCLOPAEDIA OF PRACTICAL MANAGEMENT TRAINING: GROUPS TRAINING. NEW DELHI: JAICO PUBLISHING HOUSE, 1998.
Citatione MLA (9a ed.)LEIGH DAVID. ENCYCLOPAEDIA OF PRACTICAL MANAGEMENT TRAINING: GROUPS TRAINING. JAICO PUBLISHING HOUSE, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.