Private Development Corporation of the Philippines. (1972). The seventh PDCP survey of the manufacturing outlook for the year 1973. [s.n.].
Chicago-referens (17:e uppl.)Private Development Corporation of the Philippines. The Seventh PDCP Survey of the Manufacturing Outlook for the Year 1973. Makati: [s.n.], 1972.
MLA-referens (9:e uppl.)Private Development Corporation of the Philippines. The Seventh PDCP Survey of the Manufacturing Outlook for the Year 1973. [s.n.], 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.