Gaya APA

PU, Y. et al (2009). NMR Characterization of C3H and HCT Down-Regulated Alfalfa Lignin . New York: Springer Science Business Media.

Gaya MLA

PU, YUNQIAO. et al. "NMR Characterization of C3H and HCT Down-Regulated Alfalfa Lignin". New York: Springer Science Business Media, 2009. e-journal.