Mikhaylova Ludmila Viliivna. Evolution of Directive Speech Act in the English Language : к.філол.н. : spec.. 10.02.04 - Германські мови : presented. 2002-06-13; popup.evolution: .; Kharkov National University named after V.N. Karazin. – , 0402U002166.

Updated: 2026-11-06