Weichert, C. K., & Presch, W. (1975). Elements of chordate anatomy (4th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Weichert, Charles K., i William Presch. Elements of Chordate Anatomy. 4th ed. New York: McGraw-Hill, 1975.
Cita MLA (9th ed.)Weichert, Charles K., i William Presch. Elements of Chordate Anatomy. 4th ed. McGraw-Hill, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.