Cita APA (7a ed.)

Tibbitts, E. L. (1946). A phonetic reader for foreign learners of english. W Heffer & sons.

Cita Chicago Style (17a ed.)

Tibbitts, E. Leonard. A Phonetic Reader for Foreign Learners of English. Cambridge: W Heffer & sons, 1946.

Cita MLA (8a ed.)

Tibbitts, E. Leonard. A Phonetic Reader for Foreign Learners of English. W Heffer & sons, 1946.