Textpattern solutions: PHP-based content management made easy / K. Potts [et al.], 2007 r=on-line. - Текст : электронный.
Smith N. Palms and People in the Amazon / N. Smith, 2015 r=on-line. - Текст : электронный.
Advances in contact linguistics : in honour of Pieter Muysken / edited by Norval Smith, University of Amsterdam, Tonjes Veenstra, ZAS, Enoch O. Aboh, University of Amsterdam., [2020]. - 6 с. (Введено оглавление). - Текст : электронный.