edited by Charles Moritz
The H.W. Wilson Company , 1963
Buku Referensi
Economist Books, 1991
Buku Referensi
Wallacem W. Stewart
Macmillan, 1945
Buku Teks
edited by Marjorie Dent Candee
H.W. Wilson, 1956
Buku Referensi
edited by Marjorie Dent Candee
H.W. Wilson, 1957
Buku Referensi