Romer, A. (1971). Vertibrate paleontology (3rd ed.). University of Chicago Press.
Chicago Edition CitationRomer, Alfred. Vertibrate Paleontology. 3rd ed. Chicogo: University of Chicago Press, 1971.
Cita MLARomer, Alfred. Vertibrate Paleontology. 3rd ed. University of Chicago Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.