Philippines. Bureau of Posts. (1977). Mail processing time and motion study. The Bureau.
Chicago Style (17th ed.) CitationPhilippines. Bureau of Posts. Mail Processing Time and Motion Study. [Manila]: The Bureau, 1977.
MLA (9th ed.) CitationPhilippines. Bureau of Posts. Mail Processing Time and Motion Study. The Bureau, 1977.
Warning: These citations may not always be 100% accurate.