Barnett, Harold J., author
John Hopkins Press, 1963
Buku Teks
edited by D.W. Pearce with the assistance of J. Rose
Macmillan, 1975
Buku Teks
Banks, Ferdinand E
Plenum Press, 1976
Buku Teks
Artikel Jurnal
Pearce, D. W. (David William), 1941-, author
Harvester Wheatsheaf, 1990
Buku Teks