Cita APA (7th ed.)

Michigan. University. English Language Institute & Lado, R. (1962). English pronounciations; exercises in sound segments intonation, and rhytym. [s.n.].

Cita Chicago (17th ed.)

Michigan. University. English Language Institute i Robert Lado. English Pronounciations; Exercises in Sound Segments Intonation, and Rhytym. Ann Arbor: [s.n.], 1962.

Cita MLA (9th ed.)

Michigan. University. English Language Institute i Robert Lado. English Pronounciations; Exercises in Sound Segments Intonation, and Rhytym. [s.n.], 1962.