Sime, F. A. (2006). Coverage of environmental issues by the pullout Young Nation magazine of the Sunday Nation: A content analysis (ed.). Daystar University post graduate program.
芝加哥风格引文Sime, Fikerte Abebe. Coverage of Environmental Issues by the Pullout Young Nation Magazine of the Sunday Nation: A Content Analysis. ed. Nairobi: Daystar University post graduate program, 2006.
MLA引文Sime, Fikerte Abebe. Coverage of Environmental Issues by the Pullout Young Nation Magazine of the Sunday Nation: A Content Analysis. ed. Daystar University post graduate program, 2006.
警告：这些引文格式不一定是100％准确.