Citazione Stile APA (7a Edizione)
PORTERFIELD, J., & GATHERCOLE, C. (1991). THE EMPLOYMENT OF PEOPLE WITH MENTAL HANDICAP. PROGRESS TOWARDS AN ORDINARY WORKING LIFE. PROJECT PAPER, Nº 55. KING'S FUND CENTRE.
Citazione stile Chigago Style (17a edizione)
PORTERFIELD, J., e C. GATHERCOLE. THE EMPLOYMENT OF PEOPLE WITH MENTAL HANDICAP. PROGRESS TOWARDS AN ORDINARY WORKING LIFE. PROJECT PAPER, Nº 55. Londres: KING'S FUND CENTRE, 1991.
Citatione MLA (9a ed.)
PORTERFIELD, J., e C. GATHERCOLE. THE EMPLOYMENT OF PEOPLE WITH MENTAL HANDICAP. PROGRESS TOWARDS AN ORDINARY WORKING LIFE. PROJECT PAPER, Nº 55. KING'S FUND CENTRE, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.