Παραπομπή APA

Rajapakse, R. (2008). Geotecnical engineering calculations and rules of thumb. Butterworth-Heinemann.

Παραπομπή Chicago Style

Rajapakse, Ruwan. Geotecnical Engineering Calculations and Rules of Thumb. Burlington: Butterworth-Heinemann, 2008.

Παραπομπή MLA

Rajapakse, Ruwan. Geotecnical Engineering Calculations and Rules of Thumb. Butterworth-Heinemann, 2008.