Holt, Rinehart and Winston, 1960
Buku Teks
edited by William M. Sale
Holt, Rinehart and Winston, 1961
Buku Teks
Watt, William W. (William Whyte)
Holt, Rinehart and Winston, 1961
Koleksi Publik
Watt, William W. (William Whyte)
Holt, Rinehart and Winston, 1961
Koleksi Publik
edited by Richard S. Beal and Jacob Korg
Prentice-Hall, 1962
Buku Teks