Booth, Taylor L.
John Wiley & Sons, 1971
Buku Teks SO
Booth, Taylor L.
John Wiley & Sons, 1978
Buku Teks SO
editor, Pau Fonseca i Casas
Information Science Reference, 2014
Buku Teks
Gear, Charles William, 1935-
McGraw-Hill, 1969
Buku Teks
Watkins, R. P.
John Wiley & Sons, 1974
Buku Teks