Marsh, Ken
Simon and Schuster, 1982
Buku Teks
Nadya Alifa Rosyidah Resalia, author
2018
UI - Skripsi (Membership)
edited by R.S.K. Barnes
John Wiley & Sons, 1977
Buku Teks
Newman, Arnold
Fact on File, 1990
Buku Teks
Rena Gusti Amanda, author
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2023
UI - Tugas Akhir