Ernst Wendt [and others]
Inter Nationes, 1966.
Buku Teks
Aminarti
1990
UI - Skripsi Membership
Strelka, Joseph
Forum Verlag, 1962
Buku Teks
Goedart, Gerda
Peter Schifferli Verlags AG Die Arche Zürich, 1964
Buku Teks
Diah Safiati Amurwani
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1994
UI - Skripsi Membership