Παραπομπή APA

(1959). European seminar on sheltered employment: 1959, August 31-September 8, The Hague, Netherlands. The Hague: Nederlandse centrale vereniging voor Gebrekkigenzorg.

Παραπομπή Chicago Style

European Seminar On Sheltered Employment: 1959, August 31-September 8, The Hague, Netherlands. The Hague: Nederlandse centrale vereniging voor Gebrekkigenzorg, 1959.

Παραπομπή MLA

European Seminar On Sheltered Employment: 1959, August 31-September 8, The Hague, Netherlands. The Hague: Nederlandse centrale vereniging voor Gebrekkigenzorg, 1959.

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