APA

Dirr M., . (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. Portland: Timber Press.

Chicago

Dirr Michael, . 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. Portland: Timber Press.

Harvard

Dirr M., . (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. Portland: Timber Press.

MLA

Dirr Michael, . 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. Portland: Timber Press. 2006.