Hedrick, T. E., Bickman, L., & Rog, D. J. (1993). Applied research design: A practical guide. Sage Publications.
芝加哥风格引文Hedrick, Terry E., Leonard Bickman, 与 Debra J. Rog. Applied Research Design: A Practical Guide. Newbury Park: Sage Publications, 1993.
MLA引文Hedrick, Terry E., et al. Applied Research Design: A Practical Guide. Sage Publications, 1993.
警告：这些引文格式不一定是100％准确.