APA-referens (7:e uppl.)

SPILSBURY LOUSIE. (2019). THE LIFE OF PLANTS PLANT HABITATS (2009 Ed.). HEINEMANN LIBRARY.

Chicago-referens (17:e uppl.)

SPILSBURY LOUSIE. THE LIFE OF PLANTS PLANT HABITATS. 2009 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.

MLA-referens (9:e uppl.)

SPILSBURY LOUSIE. THE LIFE OF PLANTS PLANT HABITATS. 2009 Ed. HEINEMANN LIBRARY, 2019.