(1999). New Bayer animal health and hygiene plant unveiled. Manila Bulletin.
Chicago Style (17. basım) Atıf"New Bayer Animal Health and Hygiene Plant Unveiled." Manila Bulletin 1999.
MLA (9th ed.) Atıf"New Bayer Animal Health and Hygiene Plant Unveiled." Manila Bulletin, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..