APA استشهاد

Bell, F. G. (2007). Basic environmental and engineering geology. Caithness, Scotland : Boca Raton, FL: Whittles Publishing ; distributed in North America by CRC Press.

استشهاد بنمط شيكاغو

Bell, F. G. Basic Environmental and Engineering Geology. Caithness, Scotland : Boca Raton, FL: Whittles Publishing ; distributed in North America by CRC Press, 2007.

MLA استشهاد

Bell, F. G. Basic Environmental and Engineering Geology. Caithness, Scotland : Boca Raton, FL: Whittles Publishing ; distributed in North America by CRC Press, 2007.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.