APA-referens (7:e uppl.)

Akkar, S. Influence of long-period filter cut-off on elastic spectral displacements. Earthquake engineering & structural dynamics..

Chicago-referens (17:e uppl.)

Akkar, Sinan. "Influence of Long-period Filter Cut-off on Elastic Spectral Displacements." Earthquake Engineering & Structural Dynamics. .

MLA-referens (9:e uppl.)

Akkar, Sinan. "Influence of Long-period Filter Cut-off on Elastic Spectral Displacements." Earthquake Engineering & Structural Dynamics., .