Phonological theory : the essential readings
edited by John A. Goldsmith
Blackwell , 1999
 Buku Teks
Technology and values: essential readings
Wiley-Blackwell, 2010
 Buku Teks
Criminological perspectives : essential readings
edited by Eugene McLaughlin, John Muncie, Gordon Hughes
Sage Publications, 2001
 Buku Teks
Language development: the essential readings
Michael Tomasello, Elizabeth Bates, editor
Blackwell , 2001
 Buku Teks
Language development: the essential readings
edited by Michael Tomasello and Elizabeth Bates
Blackwell , 2002
 Buku Teks