Skidmore, Rex A. (Rex Austin), author
Prentice Hall International, 1991
Buku Teks
Ferguson, Elizabeth A., author
J.B. Lippincott, 1975
Buku Teks
Skidmore, Rex A. (Rex Austin), author
Prentice Hall International, 1991
Buku Teks
Collins, Donald, author
Brooks/Cole Cengage Learning, 2013
Buku Teks
Farley, O. William, 1934-, author
Pearson Education, 2012
Buku Teks