Cita APA

Halpern, A. E., Spielman, J. L., Hunter, E. J., & Titze, I. R. (2009). THE INABILITY TO PRODUCE SOFT VOICE (IPSV): A TOOL TO DETECT VOCAL CHANGE IN SCHOOL TEACHERS. Logoped Phoniatr Vocol.

Chicago Style Citation

Halpern, Angela E., Jennifer L. Spielman, Eric J. Hunter, i Ingo R. Titze. "THE INABILITY TO PRODUCE SOFT VOICE (IPSV): A TOOL TO DETECT VOCAL CHANGE IN SCHOOL TEACHERS." Logoped Phoniatr Vocol 2009.

Cita MLA

Halpern, Angela E., Jennifer L. Spielman, Eric J. Hunter, i Ingo R. Titze. "THE INABILITY TO PRODUCE SOFT VOICE (IPSV): A TOOL TO DETECT VOCAL CHANGE IN SCHOOL TEACHERS." Logoped Phoniatr Vocol 2009.