APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.