एपीए उद्धरण

Trang, N. T. H. A Study of Teachers' Directives in Lectures in English.

शिकागो स्टाइल उद्धरण

Trang, Nguyen Thi Huyen. A Study of Teachers' Directives in Lectures in English.

एमएलए उद्धरण

Trang, Nguyen Thi Huyen. A Study of Teachers' Directives in Lectures in English.