Ostman, R. E. (1989). Communication and Indian agriculture. Sage Publications.
芝加哥风格引文Ostman, Ronald Elroy. Communication and Indian Agriculture. New Delhi ; Newbury Park, Calif.: Sage Publications, 1989.
MLA引文Ostman, Ronald Elroy. Communication and Indian Agriculture. Sage Publications, 1989.
警告：这些引文格式不一定是100％准确.