Fokker, Abraham Anthony, 1911-, author
Pradnya Paramita, 1980
Buku Teks
Sinaga, Julie Yunita, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1997
UI - Skripsi (Membership)
Fokker, Abraham Anthony, 1862-1927
Pradnja Paramita, 1972
Buku Klasik
Mitang, Paulus Josef, author
Universitas Indonesia, 1968
UI - Skripsi (Membership)
Suryana Ridoean, author
1985
UI - Skripsi (Membership)