CONTRERAS, A. R., & SPOONER, D. M. (2002). SUBSPECIES BOUNDARIES OF THE WILD POTATOES SOLANUM BULBOCASTANUM AND S. CARDIOPHYLLUM BASED ON MORPHOLOGICAL AND NUCLEAR RFLP DATA.
Chicago-referens (17:e uppl.)CONTRERAS, AARON RODRIGUEZ, och DAVID MICHAEL SPOONER. SUBSPECIES BOUNDARIES OF THE WILD POTATOES SOLANUM BULBOCASTANUM AND S. CARDIOPHYLLUM BASED ON MORPHOLOGICAL AND NUCLEAR RFLP DATA. 2002.
MLA-referens (9:e uppl.)CONTRERAS, AARON RODRIGUEZ, och DAVID MICHAEL SPOONER. SUBSPECIES BOUNDARIES OF THE WILD POTATOES SOLANUM BULBOCASTANUM AND S. CARDIOPHYLLUM BASED ON MORPHOLOGICAL AND NUCLEAR RFLP DATA. 2002.