Fakultas Teknik Universitas Indonesia, 1991
UI - Skripsi (Membership)
Hardy, Thomas, 1840-1928, author
Harper & Brothers, 1922.
Buku Teks
Titchmarsh, E, C.
Chelsea Publishing Company, 1990
Buku Teks
Phillipus Kenny Wincana, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2011
UI - Skripsi (Open)
Virgil, author
David Campbell, 1992
Buku Teks