توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Alarcon, I., Calumba, M. I., Caoyonan, L. A., Garcia, J., & Yu, G. (1997). A Methods and time study on the Extra Mile Tire and Car Care Center. College of Engineering.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Alarcon, Ian, Maria Isabel Calumba, Lizelle Ann Caoyonan, Jinky Garcia, و Gemma Yu. A Methods and Time Study on the Extra Mile Tire and Car Care Center. Diliman, Quezon City: College of Engineering, 1997.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Alarcon, Ian, et al. A Methods and Time Study on the Extra Mile Tire and Car Care Center. College of Engineering, 1997.