Nayfeh, . A. (1973). Perturbation methods. John Wiley and sons.
Čikaški stil citiranjaNayfeh, A.H. Perturbation Methods. New York: John Wiley and sons, 1973.
MLA način citiranjaNayfeh, A.H. Perturbation Methods. John Wiley and sons, 1973.
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