Cita APA (7a ed.)

Pring, J. T. (1970). Colloquial English pronunciation. Longman.

Cita Chicago Style (17a ed.)

Pring, Julian T. Colloquial English Pronunciation. London: Longman, 1970.

Cita MLA (9a ed.)

Pring, Julian T. Colloquial English Pronunciation. Longman, 1970.