APA aipamena

International labour office. (1969). Payment by results. Geneve: International labour office.

Chicago Style aipamena

International labour office. Payment By Results. Geneve: International labour office, 1969.

MLA aipamena

International labour office. Payment By Results. Geneve: International labour office, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.