APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

Opozorilo: Ti citati niso vedno 100% točni.