एपीए उद्धरण

Kesteven R. (1966). Elementary Typewriting Examination Explained with Preparatory Excersises. Cassell.

शिकागो स्टाइल उद्धरण

Kesteven R. Elementary Typewriting Examination Explained with Preparatory Excersises. London: Cassell, 1966.

एमएलए उद्धरण

Kesteven R. Elementary Typewriting Examination Explained with Preparatory Excersises. Cassell, 1966.