Villaseñor, J. L., & Ortiz, E. (2012). The Asteraceae family in the Flora of the Bajio and adjacent regions. Instituto de Ecología, A.C.
Chicago-viite (17. p.)Villaseñor, José Luis, ja Enrique Ortiz. The Asteraceae Family in the Flora of the Bajio and Adjacent Regions. Instituto de Ecología, A.C, 2012.
MLA-viite (9. p.)Villaseñor, José Luis, ja Enrique Ortiz. The Asteraceae Family in the Flora of the Bajio and Adjacent Regions. Instituto de Ecología, A.C, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
