MLA

van As, Corina J. Tracheoesophageal Speech : a Multidimensional Assessment of Voice Quality. Amsterdam, 2001.

APA

van As, C. J. (2001). Tracheoesophageal speech : a multidimensional assessment of voice quality. Amsterdam.

Chicago

van As, Corina J. Tracheoesophageal Speech: A Multidimensional Assessment of Voice Quality. Amsterdam, 2001.