HUMPHRIES JOHN. (1995). HOW TO COUNSEL PEOPLE AT WORK. HOW TO BOOKS.
Citazione stile Chigago Style (17a edizione)HUMPHRIES JOHN. HOW TO COUNSEL PEOPLE AT WORK. PLYMOUTH: HOW TO BOOKS, 1995.
Citatione MLA (9a ed.)HUMPHRIES JOHN. HOW TO COUNSEL PEOPLE AT WORK. HOW TO BOOKS, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.