Suzuki, D. T., Grady, W., & Bateman, R. (2004). Tree: A life story. David Suzuki Founation : Greystone Books : Douglas & McIntyre Pub. Group.
Chicago-viite (17. p.)Suzuki, David T., Wayne Grady, ja Robert Bateman. Tree: A Life Story. Vancouver, B.C. ; Toronto, Ont. ; Berkeley, Calif.: David Suzuki Founation : Greystone Books : Douglas & McIntyre Pub. Group, 2004.
MLA-viite (9. p.)Suzuki, David T., et al. Tree: A Life Story. David Suzuki Founation : Greystone Books : Douglas & McIntyre Pub. Group, 2004.
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