Private Development Corporation of the Philippines. Economic and Corporate Research. (1975). The chemical fertilizer industry. PDCP.
Chicago-Zitierstil (17. Ausg.)Private Development Corporation of the Philippines. Economic and Corporate Research. The Chemical Fertilizer Industry. Makati, Rizal: PDCP, 1975.
MLA-Zitierstil (9. Ausg.)Private Development Corporation of the Philippines. Economic and Corporate Research. The Chemical Fertilizer Industry. PDCP, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.