Cita APA (7a ed.)

Ng, M. L. (1998). Perceptions of tonal changes in normal laryngeal, esophageal, and Cantonese speakers. [s.n.].

Cita Chicago Style (17a ed.)

Ng, Manwa L. Perceptions of Tonal Changes in Normal Laryngeal, Esophageal, and Cantonese Speakers. [S.l.]: [s.n.], 1998.

Cita MLA (9a ed.)

Ng, Manwa L. Perceptions of Tonal Changes in Normal Laryngeal, Esophageal, and Cantonese Speakers. [s.n.], 1998.