Gaya APA

Ossenbruggen, P, J. (1984). Systems analysis for civil engineering / Paul J. Ossenbruggen . New York: John Wiley nSons.

Gaya MLA

Ossenbruggen, Paul, J.. "Systems analysis for civil engineering / Paul J. Ossenbruggen". New York: John Wiley nSons, 1984. Skripsi.