Lembaga Penelitian Universitas Indonesia, 2003
Artikel Jurnal
Jihong Yu, author
Springer Cham, 2019
eBooks
Stalling, William, author
Prentice-Hall, 1997
Buku Teks
edited by Ray Sarch
McGraw-Hill, 1990
Buku Referensi
Gildersleeve, Thomas R., author
Wiley-Interscience, 1971
Buku Teks