APA
Vold A., Hovi I. B., . (2004). Construction of basis OD matrices for 1999 freight flows between municipalities in Norway. Oslo: Transportökonomisk Institutt. TÖI rapport 699.
Chicago
Vold Arild, Hovi Inger Beate, . 2004. Construction of basis OD matrices for 1999 freight flows between municipalities in Norway. Oslo: Transportökonomisk Institutt. TÖI rapport 699.
Harvard
Vold A., Hovi I. B., . (2004). Construction of basis OD matrices for 1999 freight flows between municipalities in Norway. Oslo: Transportökonomisk Institutt. TÖI rapport 699.
MLA
Vold Arild, Hovi Inger Beate, . Construction of basis OD matrices for 1999 freight flows between municipalities in Norway. Oslo: Transportökonomisk Institutt. TÖI rapport 699. 2004.