Παραπομπή APA

Allen, P. W. (1972). Natural rubber and the synthetics. C. Lockwood.

Παραπομπή Chicago Style

Allen, Peter William. Natural Rubber and the Synthetics. London: C. Lockwood, 1972.

Παραπομπή MLA

Allen, Peter William. Natural Rubber and the Synthetics. C. Lockwood, 1972.