APA استشهاد

Fookes, P. (2007). Engineering Geomorphology: :Theory and practice. Whittles Publishing.

استشهاد بنمط شيكاغو

Fookes, P.G. Engineering Geomorphology: :Theory and Practice. Scotland: Whittles Publishing, 2007.

MLA استشهاد

Fookes, P.G. Engineering Geomorphology: :Theory and Practice. Whittles Publishing, 2007.