edited by Mervyn L. Richardson
Royal Society of Chemistry, 1991
Buku Teks
Artikel Jurnal
Horwitz, William, editor
Association of Official Agricultural Chemists, 1955
Buku Referensi
Fessenden, Ralph J.
Erlangga, 1995
Buku Teks
Sri Susilih
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis (Membership)