By Antony Orme, Ian Nussbaum, Christopher Mayers; Cambridge University Press, 1992, ISBN 0521403510. Introduces reuse and feasibility, then shows how to use components in book. Ada is designed for reuse. [Cambridge University Press]
Edited by J. Dawes, M.J. Pickett, A. Wearing; Cambridge University Press, 1991, ISBN 0521404983. Findings of Ada-Europe specialist group for compiler assessment, useful when considering adopting Ada. [Cambridge University Press]
By Grady Booch, Doug Bryan; Addison Wesley Professional, 1994, ISBN 0805306080, 3rd edition. Full introduction to Ada programming, shows how to maximize the potential of Ada using an object-oriented methodology. [Addison Wesley]