Nawy, Edward G., author
Eresco, 1990
Buku Teks
Suharsimi Arikunto, author
Rineka Cipta, 1993
Buku Teks
Udin Syaefudin Sa`ud, author
Remaja Rosdakarya, 2005
Buku Teks
Biegel, John E., author
Akademika Pressindo, 1992
Buku Teks
Biegel, John E., author
Akademika Pressindo, 1992
Buku Teks