Judd Walter S., Campbell Christopher S., Donoghue, M. J., Kellogg Elizabeth A., & Steven Peter F. (2002). Plant systematics: Phylogenetic approach (Second edition.). Sinauer Associates.
Chicago-čujuhus (17. p.)Judd Walter S., Campbell Christopher S., Michael J. Donoghue, Kellogg Elizabeth A., juo Steven Peter F. Plant Systematics: Phylogenetic Approach. Second edition. Massachusetts: Sinauer Associates, 2002.
MLA-čujuhus (9. p.)Judd Walter S., et al. Plant Systematics: Phylogenetic Approach. Second edition. Sinauer Associates, 2002.
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