APA-viite (7. p.)

Horn, N. M. (1994). Viruses involved in chickpea stunt. s.n..

Chicago-viite (17. p.)

Horn, Nico M. Viruses Involved in Chickpea Stunt. [Wageningen?: s.n., 1994.

MLA-viite (8. p.)

Horn, Nico M. Viruses Involved in Chickpea Stunt. s.n., 1994.