U.S. Government Printing Office. Biopolymers , making materials natures way.
Cita Chicago (17th ed.)U.S. Government Printing Office. Biopolymers , Making Materials Natures Way.
Cita MLA (9th ed.)U.S. Government Printing Office. Biopolymers , Making Materials Natures Way.
Atenció: Aquestes cites poden no estar 100% correctes.