Cita APA (7th ed.)

Amer, T. S., Bek, M. A., & Hamada, I. S. (2016). On the Motion of Harmonically Excited Spring Pendulum in Elliptic Path Near Resonances. Wiley.

Cita Chicago (17th ed.)

Amer, T. S., M. A. Bek, i I. S. Hamada. On the Motion of Harmonically Excited Spring Pendulum in Elliptic Path Near Resonances. Wiley, 2016.

Cita MLA (9th ed.)

Amer, T. S., et al. On the Motion of Harmonically Excited Spring Pendulum in Elliptic Path Near Resonances. Wiley, 2016.