Armstrong, C. J., & Large, J. A. (1988). Manual of online search strategies. G.K. Hall.
Cita Chicago (17th ed.)Armstrong, C. J., i J. A. Large. Manual of Online Search Strategies. Boston, Mass: G.K. Hall, 1988.
Cita MLA (9th ed.)Armstrong, C. J., i J. A. Large. Manual of Online Search Strategies. G.K. Hall, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.