Hair, J. F., Ortinau, D. J., & Harrison, D. E. Essentials of marketing research (Sixth edition.).
芝加哥风格引文Hair, Joseph F., David J. Ortinau, 与 Dana E. Harrison. Essentials of Marketing Research. Sixth edition.
MLA引文Hair, Joseph F., et al. Essentials of Marketing Research. Sixth edition.
警告：这些引文格式不一定是100％准确.