Harris, F. (1983). Ground Engineering, Equipment and Mathods. Granada.
استشهاد بنمط شيكاغوHarris, Frank. Ground Engineering, Equipment and Mathods. London: Granada, 1983.
MLA استشهادHarris, Frank. Ground Engineering, Equipment and Mathods. Granada, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.