Heywood, V. H. 1. (2007). Flowering plant families of the world (Updated & rev.). Buffalo, N.Y. ; Richmond Hill, Ont.: Firefly Books.
استشهاد بنمط شيكاغوHeywood, V. H. 1927-2022. Flowering Plant Families of the World. Updated & rev. Buffalo, N.Y. ; Richmond Hill, Ont.: Firefly Books, 2007.
MLA استشهادHeywood, V. H. 1927-2022. Flowering Plant Families of the World. Updated & rev. Buffalo, N.Y. ; Richmond Hill, Ont.: Firefly Books, 2007.
