Moorehead, Alan, author
Harper and Brother, 1958
Buku Teks
Khaerunisyah Risma Handayani, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2018
UI - Skripsi (Membership)
Lapidus, B.A., author
State Publishing House of Foreign and National Dictionaries, 1962
Buku Referensi
Texnika, 1993
Buku Referensi
Dabars, Zita
McGraw-Hill, 2002
Buku Teks