TWIST, C. Encyclopedia of science: Life on earth fossils and human ancestors the basics of life. Volume IV. Macmillan Publishing Company.
Chicago-Zitierstil (17. Ausg.)TWIST, Clint. Encyclopedia of Science: Life on Earth Fossils and Human Ancestors the Basics of Life. Volume IV. Macmillan Publishing Company.
MLA-Zitierstil (8. Ausg.)TWIST, Clint. Encyclopedia of Science: Life on Earth Fossils and Human Ancestors the Basics of Life. Volume IV. Macmillan Publishing Company.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.