Clark, Margaret
University of California Press, 1970
Buku Teks
Clark, Margaret M., 1926-
Scholastic , 1994
Buku Teks
Clark, Burton R., author
University of California Press, 1968
Buku Teks
Clark, Burton R., author
McGraw-Hill , 1960
Buku Teks
edited by Stephen Paul Holzemer, Marilyn Klainberg
Jones & Bartlett Learning, 2014
Buku Teks