edited by Sol Tax ...[et al.]
The University of Chicago, 1953
Buku Teks
Hawkins, Christopher James, author
Macmillan, 1971
Buku Teks
Harrison, Ian W., author
McGraw-Hill, 1973
Buku Teks
Hayes, Douglas A., author
Macmillan, 1956
Buku Teks
Philip, Tom, author
McGraw-Hill, 1983
Buku Teks