Osbourn, D. (2009). Introduction to Building (fourth edition.). Oxford University Press.
Chicago Style aipamenaOsbourn, Derek. Introduction to Building. fourth edition. Oxford University Press, 2009.
MLA aipamenaOsbourn, Derek. Introduction to Building. fourth edition. Oxford University Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.