Weinstock, M. J., & Herner, S. (1967). Characteristics of information systems as revealed by an analysis of data in the National Science Foundation series: Non conventional scientific and technical information systems in current use, no. 4. Herner.
Citace podle Chicago (17th ed.)Weinstock, Melvin J., a Saul Herner. Characteristics of Information Systems as Revealed by an Analysis of Data in the National Science Foundation Series: Non Conventional Scientific and Technical Information Systems in Current Use, No. 4. Washington, D.C.: Herner, 1967.
Citace podle MLA (8th ed.)Weinstock, Melvin J., a Saul Herner. Characteristics of Information Systems as Revealed by an Analysis of Data in the National Science Foundation Series: Non Conventional Scientific and Technical Information Systems in Current Use, No. 4. Herner, 1967.