एपीए उद्धरण

Churchward, J. h. (1969). Typewriting Exercises for the Certificate of Secondary Education. Pitman.

शिकागो स्टाइल उद्धरण

Churchward, John h. Typewriting Exercises for the Certificate of Secondary Education. London: Pitman, 1969.

एमएलए उद्धरण

Churchward, John h. Typewriting Exercises for the Certificate of Secondary Education. Pitman, 1969.