Ballesteros, P., Legaspi, M. T., & Potenciano, J. (1992). A Quality systems study of Philippine Apparel, Inc. College of Engineering.
Chicago-referens (17:e uppl.)Ballesteros, Patrick, Ma. Theresa Legaspi, och Joan Potenciano. A Quality Systems Study of Philippine Apparel, Inc. Diliman, Quezon City: College of Engineering, 1992.
MLA-referens (9:e uppl.)Ballesteros, Patrick, et al. A Quality Systems Study of Philippine Apparel, Inc. College of Engineering, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.