Cita APA (7a ed.)

Heaton, J. (1975). Wrinting english lan guage test.: A practical guide for teachers of english as a second or foreign language (1st edition.). Longman.

Cita Chicago Style (17a ed.)

Heaton, J.B. Wrinting English Lan Guage Test.: A Practical Guide for Teachers of English as a Second or Foreign Language. 1st edition. London: Longman, 1975.

Cita MLA (8a ed.)

Heaton, J.B. Wrinting English Lan Guage Test.: A Practical Guide for Teachers of English as a Second or Foreign Language. 1st edition. Longman, 1975.