Jolly, William L., author
Prentice-Hall, 1960
Buku Teks
Bernhard Rieg, editor
Springer, 2012
eBooks
George Thieme Verlag Stuttgart, 2018
Majalah, Jurnal, Buletin
Phillips, Charles F., author
University of North Carolina , 1963
Buku Teks
Fry, Albert J., author
John Wiley & Sons, 1989
Buku Teks