APA
Westney P., . (1995). Modals and periphrastics in English : an investigation into the semantic correspondence between certain English modal verbs and their periphrastic equivalents. Tübingen: Niemeyer.
Chicago
Westney Paul, . 1995. Modals and periphrastics in English : an investigation into the semantic correspondence between certain English modal verbs and their periphrastic equivalents. Tübingen: Niemeyer.
Harvard
Westney P., . (1995). Modals and periphrastics in English : an investigation into the semantic correspondence between certain English modal verbs and their periphrastic equivalents. Tübingen: Niemeyer.
MLA
Westney Paul, . Modals and periphrastics in English : an investigation into the semantic correspondence between certain English modal verbs and their periphrastic equivalents. Tübingen: Niemeyer. 1995.