Peranginangin, Effendi, author
Kelompok Belajar ESA, 1980
Buku Teks
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Tara Zagita, author
Sinar Matahari, 2001
Buku Teks
Smith, Huston, author
Yayasan Obor Indonesia, 2008
Buku Teks