Craft, Roger C.
John Wiley & Sons, 1979
Buku Teks
Inglis, J.K.
Pergamon Press , 1974
Buku Teks
Langdon, John H.
Springer International Publishing, 2016
eBooks
Papalia, Diane E.
AIPI Publication, 2007
Buku Teks
Simon Sili Sabon
Universitas Indonesia, 2007
UI - Tesis Membership