Koes Irianto, author
Yrama Widya, 2006
Buku Teks
Koes Irianto, author
Yrama Widya, 2006
Buku Teks
Volk, Wesley A., author
Erlangga, 1990
Buku Teks
edited by Wayne W. Umbreit
Academic Press, 1959
Buku Teks
Universitas Indonesia, 2001
UI - Skripsi (Membership)