Dirr, M., & Heuser, C. W. (2006). The reference manual of woody plant propagation: From seed to tissue culture : a practical working guide to the propagation of over 1100 species, varieties, and cultivars (2. baskı.). Varsity Press.
Chicago Style (17. basım) AtıfDirr, Michael, ve Charles W. Heuser. The Reference Manual of Woody Plant Propagation: From Seed to Tissue Culture : A Practical Working Guide to the Propagation of over 1100 Species, Varieties, and Cultivars. 2. baskı. Cary, NC: Varsity Press, 2006.
MLA (9th ed.) AtıfDirr, Michael, ve Charles W. Heuser. The Reference Manual of Woody Plant Propagation: From Seed to Tissue Culture : A Practical Working Guide to the Propagation of over 1100 Species, Varieties, and Cultivars. 2. baskı. Varsity Press, 2006.