Rañeses, N. O., Manegdeg, F. G., & Ramos, A. C. (1994). An operation research and systems analysis: Study of weighing scales used for growth surveillance. Philippine Engineering Journal.
Chicago-viite (17. p.)Rañeses, Nestor O., Ferdinand G. Manegdeg, ja Adelisa C. Ramos. "An Operation Research and Systems Analysis: Study of Weighing Scales Used for Growth Surveillance." Philippine Engineering Journal 1994.
MLA-viite (9. p.)Rañeses, Nestor O., et al. "An Operation Research and Systems Analysis: Study of Weighing Scales Used for Growth Surveillance." Philippine Engineering Journal, 1994.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.