edited by Ellen M. Codlin
Aslib, 1986
Buku Referensi
Davenport, Neil, author
Kenneth Mason, 1979
Buku Teks
Guilford, J. P. (Joy Paul), 1897-1987, author
McGraw-Hill , 1978
Buku Teks
Guilford, J. P. (Joy Paul), 1897-1987, author
McGraw-Hill, 1987
Buku Teks
Guilford, Joy Paul, 1897-1987, author
McGraw-Hill Book Company,Inc., 1956
Buku Teks