Cox, D. R. (David Roxbee), author
Chapman & Hall, 1984
Buku Teks
Miller, Rupert G., author
John Wiley & Sons, 1981
Buku Teks
Fuller, Wayne A., author
John Wiley & Sons, 1976
Buku Teks
Lee, Elisa T., author
John Wiley & Sons, 2013
Buku Teks
Universitas Indonesia, 2007
UI - Skripsi (Membership)