Mawson, C. O. Sylvester, author
Garden City Publishing Company, 1940
Buku Referensi
Delair Publishing Company, 1981
Buku Referensi
edited by Thomas Davidson
W. & R. Chambers, 1901
Buku Referensi
Andrews, Edmund, author
Chicago Academy of Sciences, 1944
Buku Referensi
Sisilia Setiawati Halimi, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1986
UI - Skripsi (Membership)