Gaffney, E. S. (1977). The side-necked turtle family Chelidae: A theory of relationships using shared derived characters.
Chicago-Zitierstil (17. Ausg.)Gaffney, Eugene S. The Side-necked Turtle Family Chelidae: A Theory of Relationships Using Shared Derived Characters. New York, NY, 1977.
MLA-Zitierstil (9. Ausg.)Gaffney, Eugene S. The Side-necked Turtle Family Chelidae: A Theory of Relationships Using Shared Derived Characters. 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.