APA (7. basım) Alıntı
Keil, A., Goldack, A., LInden, S., Sander, C., & McKenna, C. (2013). Pedestrian bridges: Ramps, walkways, structures. Edition Detail.
Chicago Style (17. basım) Atıf
Keil, Andreas, Arndt Goldack, Sebastian LInden, Christiane Sander, ve Christina McKenna. Pedestrian Bridges: Ramps, Walkways, Structures. Munich: Edition Detail, 2013.
MLA (9th ed.) Atıf
Keil, Andreas, et al. Pedestrian Bridges: Ramps, Walkways, Structures. Edition Detail, 2013.
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