Cita APA (7a ed.)

kelly, R. (1971). The use of English for Technical students. The English language book society.

Cita Chicago Style (17a ed.)

kelly, R. The Use of English for Technical Students. NULL: The English language book society, 1971.

Cita MLA (9a ed.)

kelly, R. The Use of English for Technical Students. The English language book society, 1971.