Florentinus Budi Setiawan, author
Lembaga Penelitian Universitas Indonesia, 2006
Artikel Jurnal
Titchmarsh, E, C.
Chelsea Publishing Company, 1990
Buku Teks
Misfaruddin, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1987
UI - Skripsi Membership
Bloomfield, Peter, author
John Wiley & Sons, 1976
Buku Teks
Brown, James Ward, 1934-, author
McGraw-Hill, 2012
Buku Teks