Gaya APA

Lu, N. (2004). (PASCA TEKNIK MESIN) Unsaturated Soil Mechanics (Edisi 1). USA: John Wiley & Sons, Inc..

Gaya MLA

Lu, Ning. "(PASCA TEKNIK MESIN) Unsaturated Soil Mechanics". Edisi 1 USA: John Wiley & Sons, Inc., 2004. .