Cita APA (7th ed.)
Cedergren Harry R. Seepage, drainage and flow nets (3 rd ed.). John Willey & Sons.
Cita Chicago (17th ed.)
Cedergren Harry R. Seepage, Drainage and Flow Nets. 3 rd ed. New York: John Willey & Sons.
Cita MLA (9th ed.)
Cedergren Harry R. Seepage, Drainage and Flow Nets. 3 rd ed. John Willey & Sons.
Atenció: Aquestes cites poden no estar 100% correctes.