APA aipamena

Sackman,Harold. (1987). Computers and international socio-economic problems. North-Holland.

Chicago Style aipamena

Sackman,Harold. Computers and International Socio-economic Problems. Amsterdam: North-Holland, 1987.

MLA aipamena

Sackman,Harold. Computers and International Socio-economic Problems. North-Holland, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.