توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Orpia, C. B. (2013). Time Series Analysis using Vector Auto Regressive (VAR) Model of Wind Speeds in Bangui Bay and Selected Weather Variables in Laoag City. University of the Philippines.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Orpia, Cherrie B. Time Series Analysis Using Vector Auto Regressive (VAR) Model of Wind Speeds in Bangui Bay and Selected Weather Variables in Laoag City. Quezon City: University of the Philippines, 2013.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Orpia, Cherrie B. Time Series Analysis Using Vector Auto Regressive (VAR) Model of Wind Speeds in Bangui Bay and Selected Weather Variables in Laoag City. University of the Philippines, 2013.