Colander, David C., author
Irwin McGraw-Hill, 2004
Buku Teks
Taylor, John B., 1946-, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Bradley, Michael, author
Scott, Foresman, 1985
Buku Teks
Bronfenbrenner, Martin, author
Houghton Mifflin, 1987
Buku Teks
Dornbusch, Rudiger, author
McGraw-Hill, 1981
Buku Teks