edited by Karl Hurrle, F.M. Jablonski and Herbert Roth
Pergamon Press, 1972
Buku Referensi
Roth, A.
North Holland, 1989
Buku Teks
Roth, Alexander
Noth-Holland, 1990
Buku Teks
Mohamad Hartono
1992
UI - Skripsi (Membership)
Ronald Yohanson
Fakultas Teknik Universitas Indonesia, 2020
UI - Tesis (Membership)