Nayfeh, A. (1985). Problems in perturbation. John-Wiley and sons.
Čikaški stil citiranjaNayfeh, A.H. Problems in Perturbation. New York: John-Wiley and sons, 1985.
MLA način citiranjaNayfeh, A.H. Problems in Perturbation. John-Wiley and sons, 1985.
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