APA-referens (7:e uppl.)

Nicholson, P. G. (2015). Soil improvement and ground modification methods (1a. ed.). Elsevier.

Chicago-referens (17:e uppl.)

Nicholson, Peter G. Soil Improvement and Ground Modification Methods. 1a. ed. Amsterdam: Elsevier, 2015.

MLA-referens (9:e uppl.)

Nicholson, Peter G. Soil Improvement and Ground Modification Methods. 1a. ed. Elsevier, 2015.