Sage, Andrew P., author
McGraw-Hill, 1977
Buku Teks
Muhammad Hafizhuddin Hilman, author
2010
UI - Makalah dan Kertas Kerja
Universitas Indonesia, 1998
UI - Skripsi (Membership)
Artikel Jurnal
Losee, Robert M. (Robert Maclean), 1952-, author
Academic Press, 1990
Buku Teks