Transit New Zealand & Works Consultancy Services (N.Z.). (1993). Land transport externalities. Transit New Zealand.
Chicago-viite (17. p.)Transit New Zealand ja Works Consultancy Services (N.Z.). Land Transport Externalities. Wellington, N.Z.: Transit New Zealand, 1993.
MLA-viite (8. p.)Transit New Zealand ja Works Consultancy Services (N.Z.). Land Transport Externalities. Transit New Zealand, 1993.
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