Schwartz, Alvin, author
Harper Trophy, 1981
Buku Teks
Busch, Frederick
W.W. Norton & Co., 2000
Buku Teks
Kleon, Austin, author
Bentang, 2016
Buku Teks
Gavell, Mary Ladd, author
Random House Trade Paperbacks, 2001
Buku Teks
Gavell, Mary Ladd, author
Random House Trade Papaerbacks, 2001
Buku Teks