एपीए उद्धरण

Speight, J. G. (2005). Handbook of coal analysis. New Jersey: Wiley.

शिकागो स्टाइल उद्धरण

Speight, James G. Handbook of Coal Analysis. New Jersey: Wiley, 2005.

एमएलए उद्धरण

Speight, James G. Handbook of Coal Analysis. New Jersey: Wiley, 2005.