Gaya APA

Bowles, J, E. (1992). Engineering properties of soils and their measurement / Joseph E.Bowles (Ed.ke-4, Cet.1). New York: McGraw-Hill.

Gaya MLA

Bowles, Joseph, E.. "Engineering properties of soils and their measurement / Joseph E.Bowles". Ed.ke-4, Cet.1 New York: McGraw-Hill, 1992. Skripsi.