Artikel Jurnal
Hooker, M. B., author
Oxford University Press , 1972
Buku Teks
edited by Dina Siegel, Henk van de Bunt
Springer, 2012
eBooks
edited by M.E. Bushell
Elsevier, 1984
Buku Teks
Djoko M. Hartono, author
Faculty of Engineering, Universitas Indonesia, 2015
Artikel Jurnal