National Science Teachers Association & US Dept. of Energy. (1977). Community workers and the energy they use: Grade 2. The Office.
芝加哥风格引文National Science Teachers Association 与 US Dept. of Energy. Community Workers and the Energy They Use: Grade 2. Washington: The Office, 1977.
MLA引文National Science Teachers Association 与 US Dept. of Energy. Community Workers and the Energy They Use: Grade 2. The Office, 1977.
警告：这些引文格式不一定是100％准确.