Frederick A. Praeger, 1967
Buku Teks
edited by Simon Bell, Murray Simpson, Liisa Trvainem, Tuija Sievanen, Ulrika Probsti
Taylor and Francis, 2009
Buku Referensi
Marieke C.A. Liem
Springer Science, 2012
eBooks
Douglas-Young, John
Parker Publishing Company, 1979
Buku Referensi
McGraw-Hill, 1973
Buku Referensi