APA引文
Friend, D. V. (1987). Quantitative methods. Longman.
Chicago Style (17th ed.) Citation
Friend, D. V. Quantitative Methods. London ; New York: Longman, 1987.
MLA引文
Friend, D. V. Quantitative Methods. Longman, 1987.
警告：這些引文格式不一定是100％准確.