The Cambridge handbook of linguistic multi-competence
edited by Vivian Cook and Li Wei
Cambridge University Press, 2016
 Buku Teks
Anxiety and related disorders : a handbook
Benjamin B. Wolman, editor ; George Stricker, co-editor
John Wiley & Sons, 1994
 Buku Referensi
Anxiety and related disorders : a handbook
edited by Benjamin B. Wolman, George Stricker
John Wiley & Sons, 1994
 Buku Teks
The handbook of language and speech disorders
edited by Jack S. Damico, Nicole Muller and Martin J. Ball
Wiley-Blackwell, 2013
 Buku Teks
Handbook of personality disorders : theory and practice
edited by Jeffrey J. Magnavita
John Wiley & Sons, 2003
 Buku Teks