SPILSBURY RICHARD. (2019). AIR AND WATER PRESSURE (2006 Ed.). HEINEMANN LIBRARY.
Chicago Style aipamenaSPILSBURY RICHARD. AIR AND WATER PRESSURE. 2006 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.
MLA aipamenaSPILSBURY RICHARD. AIR AND WATER PRESSURE. 2006 Ed. HEINEMANN LIBRARY, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.