ebrary, Inc, Salazar, A., & Rios, I. (2010). Sustainable agriculture: Technology, planning and management. Nova Science Publishers.
Chicago-referens (17:e uppl.)ebrary, Inc, Augusto Salazar, och Ismael Rios. Sustainable Agriculture: Technology, Planning and Management. New York: Nova Science Publishers, 2010.
MLA-referens (9:e uppl.)ebrary, Inc, et al. Sustainable Agriculture: Technology, Planning and Management. Nova Science Publishers, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.