Rundel, P., & Ehleringer, J. :. N. (1989). Stable isotopes ecological research. Springer-Verlag.
Cita Chicago (17th ed.)Rundel, P.W, i J.R. : Nagy Ehleringer. Stable Isotopes Ecological Research. New York: Springer-Verlag, 1989.
Cita MLA (9th ed.)Rundel, P.W, i J.R. : Nagy Ehleringer. Stable Isotopes Ecological Research. Springer-Verlag, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.