APA

Ontario Ministry of Transportation and Communications, . (1971). General conditions, standard specifications and supplemental specifications. Vol l-2. Downsview, Ont: Ontario Ministry of Transportation and Communications.

Chicago

Ontario Ministry of Transportation and Communications, . 1971. General conditions, standard specifications and supplemental specifications. Vol l-2. Downsview, Ont: Ontario Ministry of Transportation and Communications.

Harvard

Ontario Ministry of Transportation and Communications, . (1971). General conditions, standard specifications and supplemental specifications. Vol l-2. Downsview, Ont: Ontario Ministry of Transportation and Communications.

MLA

Ontario Ministry of Transportation and Communications, . General conditions, standard specifications and supplemental specifications. Vol l-2. Downsview, Ont: Ontario Ministry of Transportation and Communications. 1971.