Cita APA (7th ed.)

NAYFEH, A. H. (1973). Perturbation methods.: Ali Hasan NAYFEH. John wiley.

Cita Chicago (17th ed.)

NAYFEH, Ali Hasan. Perturbation Methods.: Ali Hasan NAYFEH. New York: John wiley, 1973.

Cita MLA (9th ed.)

NAYFEH, Ali Hasan. Perturbation Methods.: Ali Hasan NAYFEH. John wiley, 1973.