Van Huyck, Alfred P.
Trenton, 1963
Buku Teks
Huyck, Alfred P. Van
Chandler-Davis Publishing Company, 1962
Buku Teks
edited by Peter Roberts and Hugh Sykes
Sage, 2003
Buku Referensi
edited by Peter Roberts, Hugh Sykes
Sage Publications, 2003
Buku Referensi
Newnes-Butterworths, 1979
Buku Teks