Cita APA

Hays, S. (1973). The chemical and allied industries. London: Heinemann Educational Books.

Chicago Style Citation

Hays, Samuel. The Chemical and Allied Industries. London: Heinemann Educational Books, 1973.

Cita MLA

Hays, Samuel. The Chemical and Allied Industries. London: Heinemann Educational Books, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.