Cotton, F. Albert, author
John Wiley & Sons, 1976
Buku Teks
Cotton, F. Albert, author
John Wiley & Sons, 1988
Buku Teks
Cotton, F. Albert, author
John Wiley & Sons, 1995
Buku Teks
Jolly, William L., author
McGraw-Hill, 1984
Buku Teks
Longman, 1961
Buku Teks