APA استشهاد

Blake, L. (1975). Civil Engineer's Reference Book. Newes- Butterworth.

استشهاد بنمط شيكاغو

Blake, L.S. Civil Engineer's Reference Book. London: Newes- Butterworth, 1975.

MLA استشهاد

Blake, L.S. Civil Engineer's Reference Book. Newes- Butterworth, 1975.