Castro, P. P. An introduction to hydraulic model studies. Philippine Engineering Journal.
Cita Chicago (17th ed.)Castro, Peter P.M. "An Introduction to Hydraulic Model Studies." Philippine Engineering Journal .
Cita MLA (9th ed.)Castro, Peter P.M. "An Introduction to Hydraulic Model Studies." Philippine Engineering Journal, .
Atenció: Aquestes cites poden no estar 100% correctes.