Cita APA (7th ed.)

Haycraft, B. (1971). The teaching of pronunciation: A clasroom guide. Longman.

Cita Chicago (17th ed.)

Haycraft, Brita. The Teaching of Pronunciation: A Clasroom Guide. Londres: Longman, 1971.

Cita MLA (9th ed.)

Haycraft, Brita. The Teaching of Pronunciation: A Clasroom Guide. Longman, 1971.