Pallett, E. H. J.
Pitman, 1976
Buku Teks
Kissel, Thomas
Pearson/Prentice Hall, 2005
Buku Teks
Pallett, E. H. J.
Pitman, 1976
Buku Teks
Mahoney, Edward F.
Pearson/Prentice Hall, 2006
Buku Teks
Dimas Aryabaskoro Daneswara
Universitas Indonesia, 2006
UI - Skripsi Membership