Hoff, Erika, 1951-
Wadsworth, 2005
Buku Teks
Hoff, Erika, 1951-
Wadsworth and Cengage Learning, 2014
Buku Teks
Clark, Eve V.
Cambridge University Press, 2006
Buku Teks
edited by Michael Tomasello and Elizabeth Bates
Blackwell , 2002
Buku Teks
Michael Tomasello, Elizabeth Bates, editor
Blackwell , 2001
Buku Teks