Nayfeh, A. H. (1973). Perturbation methods. Wiley.
芝加哥风格引文Nayfeh, Ali Hasan. Perturbation Methods. New York, N.Y.: Wiley, 1973.
MLA引文Nayfeh, Ali Hasan. Perturbation Methods. Wiley, 1973.
警告：这些引文格式不一定是100％准确.
APA引文
Nayfeh, A. H. (1973). Perturbation methods. Wiley.
芝加哥风格引文Nayfeh, Ali Hasan. Perturbation Methods. New York, N.Y.: Wiley, 1973.
MLA引文Nayfeh, Ali Hasan. Perturbation Methods. Wiley, 1973.