Cita APA (7a ed.)

Hill, L. (1970). Drills and Tests in English Sounds: Ear and Speech Training Drills and Tests for Overseas Students of English (2nd ed., 4th print.). Longmans.

Cita Chicago Style (17a ed.)

Hill, L.A. Drills and Tests in English Sounds: Ear and Speech Training Drills and Tests for Overseas Students of English. 2nd ed., 4th print. London: Longmans, 1970.

Cita MLA (9a ed.)

Hill, L.A. Drills and Tests in English Sounds: Ear and Speech Training Drills and Tests for Overseas Students of English. 2nd ed., 4th print. Longmans, 1970.