Jenness, Diamond, author
National Museum of Canada, 1960
Buku Teks
Wells, Kenneth McNeill, author
Jarrold & Sons, 1959
Buku Teks
Asri Octa Riyani, author
2019
UI - Tesis (Membership)
Leach, Steve
Macmillan Presss, 1994
Buku Teks
Teguh Narutomo, author
Badan Penelitian dan Pengembangan Kementerian Dalam Negeri, 2019
Artikel Jurnal