Παραπομπή APA

Spencer, B. F., & Hu, Y. X. (2001). Earthquake engineering frontiers in the new millennium. A. A.Balkema Publishers.

Παραπομπή Chicago Style

Spencer, B. F., και Y. X. Hu. Earthquake Engineering Frontiers in the New Millennium. Lisse: A. A.Balkema Publishers, 2001.

Παραπομπή MLA

Spencer, B. F., και Y. X. Hu. Earthquake Engineering Frontiers in the New Millennium. A. A.Balkema Publishers, 2001.