Byon, Andrew Sangpil, author
Routledge, Taylor & Francis Group, 2009
Buku Teks
Lee, Donald W.
Prentice-Hall, 1958
Buku Teks
Lee, Donald W.
Prentice-Hall, 1962
Buku Teks
Yates, Paulene M.
Harper & Row, 1962
Buku Teks
Lee, Donald W.
Prentice-Hall, 1967
Buku Teks