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.
Citação do estilo Chicago (17ª 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. [Manila]: The Bureau, 1977.
Citação 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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.