Ткиво (биологија) — разлика између измена

* {{Cite book |ref= harv|author = Eichhorn, Susan E.; Raven, Peter H.; Evert, Ray Franklin | title = Biology of plants | publisher = Worth Publishers | location = New York | year = 1986 | isbn = 0-87901-315-X | oclc = | doi = | accessdate = | ref = harv}}