Adi Kuswanto
Gunadarma, 1993
Buku Teks
Sritua Arief, author
Pustaka Melayu Baru, 1969
Buku Teks
Mankiw, N. Gregory, author
Erlangga, 2003
Buku Teks
Manullang, M., author
Ghalia Indonesia, 1983
Buku Teks
Mankiw, N. Gregory, author
Erlangga, 2003
Buku Teks