Osbourn, D. (1997). Introduction to building (2nd ed.). Longman.
Chicago-viite (17. p.)Osbourn, Derek. Introduction to Building. 2nd ed. Harlow, Essex: Longman, 1997.
MLA-viite (9. p.)Osbourn, Derek. Introduction to Building. 2nd ed. Longman, 1997.
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