APA (7 वां संस्करण) प्रशस्ति पत्र

HP technology helps DreamWorks animation bring "Shrek Forever After" in 3-D to life. Manila bulletin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"HP Technology Helps DreamWorks Animation Bring "Shrek Forever After" in 3-D to Life." Manila Bulletin .

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"HP Technology Helps DreamWorks Animation Bring "Shrek Forever After" in 3-D to Life." Manila Bulletin, .