Cita APA (7th ed.)

Postal, P. M. (1968). Aspects of phonological theory. Harper and Row.

Cita Chicago (17th ed.)

Postal, Paul M. Aspects of Phonological Theory. Nueva York: Harper and Row, 1968.

Cita MLA (9th ed.)

Postal, Paul M. Aspects of Phonological Theory. Harper and Row, 1968.