Bethlehem, L., & Goldblatt, M. (1997). The bottom line: Industry and the enviroment in South Africa. IDRC.
芝加哥风格引文Bethlehem, Lael, 与 Michael Goldblatt. The Bottom Line: Industry and the Enviroment in South Africa. Rondebosch: IDRC, 1997.
MLA引文Bethlehem, Lael, 与 Michael Goldblatt. The Bottom Line: Industry and the Enviroment in South Africa. IDRC, 1997.
警告：这些引文格式不一定是100％准确.