Rajapakse, R. (2008). Geotecnical engineering calculations and rules of thumb. Butterworth-Heinemann.
استشهاد بنمط شيكاغوRajapakse, Ruwan. Geotecnical Engineering Calculations and Rules of Thumb. Burlington: Butterworth-Heinemann, 2008.
MLA استشهادRajapakse, Ruwan. Geotecnical Engineering Calculations and Rules of Thumb. Butterworth-Heinemann, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.