APA aipamena

Nayfeh, A. H. (1973). Perturbation methods. New Jersey: John Wiley & Sons.

Chicago Style aipamena

Nayfeh, Ali Hasan. Perturbation Methods. New Jersey: John Wiley & Sons, 1973.

MLA aipamena

Nayfeh, Ali Hasan. Perturbation Methods. New Jersey: John Wiley & Sons, 1973.