Спермације — разлика између измена

* {{Cite book |ref= harv|last = Sumbali| first = Geeta | coauthors = | title = The Fungi | publisher = Alpha Science Int'l Ltd. | date = 2005 | location = | pages = | isbn = 1842651536|ref=harv}}

* {{Cite book |ref= harv|last = Raven | first = Peter H. | coauthors = Ray F. Evert, Susan E. Eichhorn | title = Biology of Plants, 7th Edition | publisher = W.H. Freeman and Company Publishers | date = 2005 | location = Њујорк | pages = | isbn = 0-7167-1007-2|ref=harv}}