Legendre, P., & Legendre, L. (2012). Numerical ecology (Third English edition.). Elsevier.
Cita Chicago (17th ed.)Legendre, Pierre, i Louis Legendre. Numerical Ecology. Third English edition. Amsterdam: Elsevier, 2012.
Cita MLA (9th ed.)Legendre, Pierre, i Louis Legendre. Numerical Ecology. Third English edition. Elsevier, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.