Cita APA (7th ed.)

Chan, J. R. F., Jimenez, J. R. T., Tejada, K. A. L., & Dytoc, B. C. (2003). Shape & efficiency: A study of various concrete spanning systems.

Cita Chicago (17th ed.)

Chan, Jose Ricardo F., James Roy T. Jimenez, Kathryn Anne L. Tejada, i Bronne C. Dytoc. Shape & Efficiency: A Study of Various Concrete Spanning Systems. 2003.

Cita MLA (9th ed.)

Chan, Jose Ricardo F., et al. Shape & Efficiency: A Study of Various Concrete Spanning Systems. 2003.