Frodin, D. G. (2001). Guide to standard floras of the world: An annotated, geographically arranged systematic bibliography of the principal floras, enumerations, checklists, and chorological atlases of different areas (2nd ed.). Cambride University Press.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումFrodin, D. G. Guide to Standard Floras of the World: An Annotated, Geographically Arranged Systematic Bibliography of the Principal Floras, Enumerations, Checklists, and Chorological Atlases of Different Areas. 2nd ed. Cambridge ; New York: Cambride University Press, 2001.
MLA (9րդ խմբ.) ՄեջբերումFrodin, D. G. Guide to Standard Floras of the World: An Annotated, Geographically Arranged Systematic Bibliography of the Principal Floras, Enumerations, Checklists, and Chorological Atlases of Different Areas. 2nd ed. Cambride University Press, 2001.