McNelly, Theodore, author
Houghton Mifflin, 1972
Buku Teks
Tambunan, Kathrin Octiana, author
1996
UI - Skripsi (Membership)
Larasati Meidiana, author
2015
UI - Makalah dan Kertas Kerja
Richardson, Bradley M., author
Harper Collins, 1984
Buku Teks
Linebarger, Paul Myron Anthony, 1913-1966, author
York D van Nostrand, 1954
Buku Teks