Gerking, Shelby D., author
Burgess, 1970
Buku Teks
Patterson, C.O. Pat, author
Burgess Publishing , 1973
Buku Teks
Mercer, E.H., author
John Wiley & Sons, 1981
Buku Teks
editor by, Timothy Daniel Veenstra, John R. Yates
Wiley-Blackwell, Hoboken, NJ., 2019
Buku Teks
John Wiley & Sons, 1978
Buku Teks