Robinson, H. (2012). Two new combinations in the genus Distephanus Cass. (Asteraceae, Vernonieae). Pensoft Publishers.
استشهاد بنمط شيكاغوRobinson, Harold. Two New Combinations in the Genus Distephanus Cass. (Asteraceae, Vernonieae). Pensoft Publishers, 2012.
MLA استشهادRobinson, Harold. Two New Combinations in the Genus Distephanus Cass. (Asteraceae, Vernonieae). Pensoft Publishers, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.