APA (7th ed.) Zitazioa
Johnson, W., & Boehmler, R. M. (1959). The onset of stuttering: Research findings and implications. University of Minnesota Press.
Chicago Style (17th ed.) Zitazioa
Johnson, Wendell, eta Richard M. Boehmler. The Onset of Stuttering: Research Findings and Implications. Minneapolis: University of Minnesota Press, 1959.
MLA (9th ed.) Zitazioa
Johnson, Wendell, eta Richard M. Boehmler. The Onset of Stuttering: Research Findings and Implications. University of Minnesota Press, 1959.
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