Cita APA (7a ed.)

U.S. Government Printing Office. Biopolymers , making materials natures way.

Cita Chicago Style (17a ed.)

U.S. Government Printing Office. Biopolymers , Making Materials Natures Way.

Cita MLA (9a ed.)

U.S. Government Printing Office. Biopolymers , Making Materials Natures Way.

Precaución: Estas citas no son 100% exactas.