Philippines. Board of Investments. (1975). A report of operations for CY 1974 and for the seven-year period from 1968 to 1974. BOI.
Chicago-referens (17:e uppl.)Philippines. Board of Investments. A Report of Operations for CY 1974 and for the Seven-year Period from 1968 to 1974. Pasig, Rizal: BOI, 1975.
MLA-referens (9:e uppl.)Philippines. Board of Investments. A Report of Operations for CY 1974 and for the Seven-year Period from 1968 to 1974. BOI, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.