Castro, P. P. An introduction to hydraulic model studies. Philippine Engineering Journal.
Citazione stile Chigago Style (17a edizione)Castro, Peter P.M. "An Introduction to Hydraulic Model Studies." Philippine Engineering Journal .
Citatione MLA (9a ed.)Castro, Peter P.M. "An Introduction to Hydraulic Model Studies." Philippine Engineering Journal, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.