Joan Robinson, editor
W.B. Saunders , 2001
Buku Teks
W.B. Saunders , 1999
Buku Teks
Ross, Austin, author
John Wiley & Sons, 1984
Buku Teks
edited by Joann Grif Alspach
Saunders, 2006
Buku Teks
edited by Joann Grif Alspach
W.B. Saunders, 1998
Buku Teks