APA (7e ed.) Bronvermelding

Abrams, D. A. (1925). Effect of tannic acid on the strength of concrete. Structural Materials Research Laboratory.

Chicago (17e ed.) Bronvermelding

Abrams, Duff A. Effect of Tannic Acid on the Strength of Concrete. Chicago: Structural Materials Research Laboratory, 1925.

MLA (8e ed.) Bronvermelding

Abrams, Duff A. Effect of Tannic Acid on the Strength of Concrete. Structural Materials Research Laboratory, 1925.