APA aipamena

Heyde, G. (1992). Report of a visit to Eritrea for NCOS (project committee). Antwerpen: Synergie.

Chicago Style aipamena

Heyde, Gerda. Report of a Visit to Eritrea for NCOS (project Committee). Antwerpen: Synergie, 1992.

MLA aipamena

Heyde, Gerda. Report of a Visit to Eritrea for NCOS (project Committee). Antwerpen: Synergie, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.