ebrary, Inc, & Coulmas, F. (1986). Direct and indirect speech. Mouton de Gruyter.
Citazione stile Chigago Style (17a edizione)ebrary, Inc, e Florian Coulmas. Direct and Indirect Speech. Berlin ; New York: Mouton de Gruyter, 1986.
Citatione MLA (9a ed.)ebrary, Inc, e Florian Coulmas. Direct and Indirect Speech. Mouton de Gruyter, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.