Haag, Stephen, author
McGraw-Hill, 2010
Buku Teks
Haag, Stephen, author
Irwin McGraw-Hill, 1998
Buku Referensi
Shinta Nawang Sari, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2010
UI - Skripsi Open
Li, David H., author
Science Research Associates, 1972
Buku Teks
Lucas, Henry C., author
McGraw-Hill , 1997
Buku Teks