Gaya APA

Sun, Q, D. et al (2016). Deformation and Degradation Mechanisms of Railway Ballast under High Frequency Cyclic Loading (Volume 142, Issue 1). America: ASCE Library.

Gaya MLA

Sun, Qi, Deng. et al. "Deformation and Degradation Mechanisms of Railway Ballast under High Frequency Cyclic Loading". Volume 142, Issue 1 America: ASCE Library, 2016. Text.