APA

International Association of Mayors of Northern, Cities. Winter Urban Environment Research & Subcommittee. (1994). Harmony between road management and environment in winter. Sapporo: International Association of Mayors of Northern.

Chicago

International Association of Mayors of Northern, Cities. Winter Urban Environment Research and Subcommittee. 1994. Harmony between road management and environment in winter. Sapporo: International Association of Mayors of Northern.

Harvard

International Association of Mayors of Northern, Cities. Winter Urban Environment Research and Subcommittee. (1994). Harmony between road management and environment in winter. Sapporo: International Association of Mayors of Northern.

MLA

International Association of Mayors of Northern, Cities. Winter Urban Environment Research and Subcommittee. Harmony between road management and environment in winter. Sapporo: International Association of Mayors of Northern. 1994.