एपीए उद्धरण

International, L. o. (1951). Payment by results. Oxford and IBH publishing.

शिकागो स्टाइल उद्धरण

International, Labour organisation. Payment by Results. New Delhi: Oxford and IBH publishing, 1951.

एमएलए उद्धरण

International, Labour organisation. Payment by Results. Oxford and IBH publishing, 1951.