Ткиво (биологија) — разлика између измена

* {{Cite book |ref= harv|last1= Eichhorn|first1= Susan E.|last2= Raven|first2= Peter H.|last3= Evert|first3= Ray Franklin | title = Biology of plants | publisher = Worth Publishers | location = New York | year = 1986 |id=ISBN 0-87901-315-X | oclc = | doi = | accessdate = }}