Landy, E. A. (1966). The effectiveness of international supervision: Thirty years of I. L. O. experience. Stevens.
Citazione stile Chigago Style (17a edizione)Landy, E. A. The Effectiveness of International Supervision: Thirty Years of I. L. O. Experience. London: Stevens, 1966.
Citatione MLA (8a ed.)Landy, E. A. The Effectiveness of International Supervision: Thirty Years of I. L. O. Experience. Stevens, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.