APA
Ringbom Henrik,, . (2008). The EU maritime safety policy and international law. Boston: Martinus Nijhoff Publishers.
Chicago
Ringbom Henrik,, . 2008. The EU maritime safety policy and international law. Boston: Martinus Nijhoff Publishers.
Harvard
Ringbom Henrik,, . (2008). The EU maritime safety policy and international law. Boston: Martinus Nijhoff Publishers.
MLA
Ringbom Henrik,, . The EU maritime safety policy and international law. Boston: Martinus Nijhoff Publishers. 2008.