Keesing, Nancy, 1923-1993, author
National Library of australia, 1978
Buku Teks
Azwar Effendy, author
2008
UI - Skripsi (Open)
Watson, Barbara Bellow
Norton, 1964
Buku Teks
Karina Numa Salsabila, author
Fakultas Teknik Universitas Indonesia, 2020
UI - Skripsi (Membership)
Ward, A.C., author
Longman, 1955
Buku Teks