David J. Bartholomew ... [et.al]
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Stevens, James
Lawrence Erlbaum Associates, 1986
Buku Teks
Hand, D.J.
Chapman & Hall, 1987
Buku Teks
Morrison, Donald F.
McGraw-Hill, 1990
Buku Teks
Morrison, Donald F.
McGraw-Hill International Book Company, 1983
Buku Teks