Capitulo, Florante M., author
National Book Store, 1994
Buku Teks
Stoddard, Edward
The Dial Press, 1962
Buku Teks
Wheeler, Ruric E., author
Brooks/Cole, 1967
Buku Teks
Wheeler, Ruric E., author
Brooks/Cole, 1970
Buku Teks
Wheeler, Ruric E., author
Brook/Cole, 1969
Buku Teks