Spector, P. E. (1981). Research designs. Sage Publications.
芝加哥风格引文Spector, Paul E. Research Designs. Beverly Hills: Sage Publications, 1981.
MLA引文Spector, Paul E. Research Designs. Sage Publications, 1981.
警告：这些引文格式不一定是100％准确.
APA引文