by Anthony L. Peressini [and others]
The University of Chicago, 1989
Buku Teks
Wheeler, Ruric E.
Brooks/Cole, 1967
Buku Teks
Wheeler, Ruric E.
Brooks/Cole, 1970
Buku Teks
Wheeler, Ruric E.
Brook/Cole, 1969
Buku Teks
Bitter, Gary G.
Allyn and Bacon, 1989
Buku Teks