Gutierrez, B. P. B. (2000). Communicating to the consumer through packaging design. College of Business Administration, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gutierrez, Ben Paul B. Communicating to the Consumer Through Packaging Design. Quezon City: College of Business Administration, University of the Philippines, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gutierrez, Ben Paul B. Communicating to the Consumer Through Packaging Design. College of Business Administration, University of the Philippines, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.