Buku Teks
Popkin, Samuel L., author
Lembaga Penerbit Yayasan Padamu Negeri, 1986
Buku Teks
Kepner, Charles Higgins, 1922-, author
Erlangga, 1997
Buku Teks
Sindhunata, author
Gramedia, 1982
Buku Teks
Kepner, Charles Higgins, 1922-, author
LPPM, 1975
Buku Teks