Lawrence, D. P. (2013). Impact assessment: Practical solutions to recurrent problems and contemporary challenges (2nd ed.). John Wiley & Sons.
Cita Chicago (17th ed.)Lawrence, David P. Impact Assessment: Practical Solutions to Recurrent Problems and Contemporary Challenges. 2nd ed. Hoboken, N.J.: John Wiley & Sons, 2013.
Cita MLA (9th ed.)Lawrence, David P. Impact Assessment: Practical Solutions to Recurrent Problems and Contemporary Challenges. 2nd ed. John Wiley & Sons, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.