Philippines Department of Public Works, Transportation and Communications Planning and Project Development Office, & Philippines. Bureau of Posts. (1977). Mail route networking model: A preliminary report. The Bureau.
Citazione stile Chigago Style (17a edizione)Philippines Department of Public Works, Transportation and Communications Planning and Project Development Office, e Philippines. Bureau of Posts. Mail Route Networking Model: A Preliminary Report. [Manila]: The Bureau, 1977.
Citatione MLA (9a ed.)Philippines Department of Public Works, Transportation and Communications Planning and Project Development Office, e Philippines. Bureau of Posts. Mail Route Networking Model: A Preliminary Report. The Bureau, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.