एपीए उद्धरण

Ballard, B. (1992). Teaching students from overseas. Longman.

शिकागो स्टाइल उद्धरण

Ballard, Brigil. Teaching Students From Overseas. Longman, 1992.

एमएलए उद्धरण

Ballard, Brigil. Teaching Students From Overseas. Longman, 1992.