APA-viite (7. p.)

Abrina, J. J., Aspra, E., & Mapue, M. C. (1994). Garahe Leathercraft: A production systems study. College of Engineering.

Chicago-viite (17. p.)

Abrina, Juan Jr, Edilynn Aspra, ja Ma. Concepcion Mapue. Garahe Leathercraft: A Production Systems Study. Diliman, Quezon City: College of Engineering, 1994.

MLA-viite (9. p.)

Abrina, Juan Jr, et al. Garahe Leathercraft: A Production Systems Study. College of Engineering, 1994.