توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

The Philippines Within a Century Conference. (1989). Final report of the Philippines Within a Century held at the SGV Development Center 16 September 1989. Philippine Futuristics Society.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

The Philippines Within a Century Conference. Final Report of the Philippines Within a Century Held at the SGV Development Center 16 September 1989. Makati, Metro Manila: Philippine Futuristics Society, 1989.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

The Philippines Within a Century Conference. Final Report of the Philippines Within a Century Held at the SGV Development Center 16 September 1989. Philippine Futuristics Society, 1989.