APA-viite (7. p.)

Huijbers, J. J. W. (1990). Utilisation of security helmets for two-wheeled vehicle riders. Institute for Road Safety Research SWOV, The Netherlands.

Chicago-viite (17. p.)

Huijbers, J. J. W. Utilisation of Security Helmets for Two-wheeled Vehicle Riders. Leidschendam: Institute for Road Safety Research SWOV, The Netherlands, 1990.

MLA-viite (9. p.)

Huijbers, J. J. W. Utilisation of Security Helmets for Two-wheeled Vehicle Riders. Institute for Road Safety Research SWOV, The Netherlands, 1990.