Evered, D. (1989). The evaluation of scientific research. John Wiley and Sons.
Cita Chicago (17th ed.)Evered, David. The Evaluation of Scientific Research. Chichester: John Wiley and Sons, 1989.
Cita MLA (9th ed.)Evered, David. The Evaluation of Scientific Research. John Wiley and Sons, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.