APA引文

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

芝加哥风格引文

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

MLA引文

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

警告：这些引文格式不一定是100％准确.