Engelking, Larry R., author
Elsevier, 2015
Buku Teks
Tyree, S. Young, author
Macmillan, 1961
Buku Teks
Upadhyaya, K.N., author
Vikas Publishing House, 1994
Buku Teks
Moeller, Therald, author
John Wiley & Sons, 1952
Buku Teks
Beard, Daniel A., author
Cambridge University Press, 2012
Buku Teks