Cita APA (7th ed.)
Herbert, R. K. (1986). Language universals, markedness theory, and natural phonetic processes. Mouton de Gruyter.
Cita Chicago (17th ed.)
Herbert, Robert K. Language Universals, Markedness Theory, and Natural Phonetic Processes. Berlin ; New York: Mouton de Gruyter, 1986.
Cita MLA (9th ed.)
Herbert, Robert K. Language Universals, Markedness Theory, and Natural Phonetic Processes. Mouton de Gruyter, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.