Cita APA (7th ed.)
Henn, W. Buildings for industry. I.L.I.F.F.E Books.
Cita Chicago (17th ed.)
Henn, Walter. Buildings for Industry. London: I.L.I.F.F.E Books.
Cita MLA (9th ed.)
Henn, Walter. Buildings for Industry. I.L.I.F.F.E Books.
Atenció: Aquestes cites poden no estar 100% correctes.