Wiggins, Gary, 1943-
Chemical information sources
McGraw-Hill, 1991
Buku Teks
Holler, Frederick L.
Information sources of political science
ABC-Clio, 1981
Buku Teks
Ching-Chih, Chen
Scientific and technical information sources
MIT Press, 1977
Buku Teks
Information sources in the medical sciences
editors, L.T. Morton, S. Godbolt
Butterworth, 1984
Buku Referensi
Prytherch, Ray
Sources of information in librarianship and information science
Gower, 1987
Buku Referensi