Citazione Stile APA (7a Edizione)

Johnson, L. A. (1969). Employing the hard-core unemployed. American Management Association.

Citazione stile Chigago Style (17a edizione)

Johnson, Lawrence Alexander. Employing the Hard-core Unemployed. [New York]: American Management Association, 1969.

Citatione MLA (8a ed.)

Johnson, Lawrence Alexander. Employing the Hard-core Unemployed. American Management Association, 1969.