Marders, J., Salangad, C., Tiu, D., Tupaz, J. F., & Zarate, M. T. L. (1991). Methods study on Hammer Garments. College of Engineering.
Cita Chicago (17th ed.)Marders, Joel, Christine Salangad, Daniel Tiu, Jovi Francis Tupaz, i Ma. Therese Laarni Zarate. Methods Study on Hammer Garments. Diliman, Quezon City: College of Engineering, 1991.
Cita MLA (9th ed.)Marders, Joel, et al. Methods Study on Hammer Garments. College of Engineering, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.