एपीए उद्धरण

DITTMER,Howard.J. (1964). PHYLOGENY AND FORM IN THE PLANT KINGDOM. D.VAN NOSTRAND CO.

शिकागो स्टाइल उद्धरण

DITTMER,Howard.J. PHYLOGENY AND FORM IN THE PLANT KINGDOM. TORONTO: D.VAN NOSTRAND CO, 1964.

एमएलए उद्धरण

DITTMER,Howard.J. PHYLOGENY AND FORM IN THE PLANT KINGDOM. D.VAN NOSTRAND CO, 1964.