Pe, J., Tobias, M. C., & Clemente, A. (1988). Lunchtime eating habits at the College of Engineering. UP College of Engineering.
Chicago-viite (17. p.)Pe, Jane, Ma. Clorinda Tobias, ja Arnold Clemente. Lunchtime Eating Habits at the College of Engineering. Quezon City: UP College of Engineering, 1988.
MLA-viite (9. p.)Pe, Jane, et al. Lunchtime Eating Habits at the College of Engineering. UP College of Engineering, 1988.
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