APA (7. basım) Alıntı
Smith G Chrystal. (1976). Estimating for building and civil engineering works (6 th ed.). Newnes - Butter Worth.
Chicago Style (17. basım) Atıf
Smith G Chrystal. Estimating for Building and Civil Engineering Works. 6 th ed. London: Newnes - Butter Worth, 1976.
MLA (9th ed.) Atıf
Smith G Chrystal. Estimating for Building and Civil Engineering Works. 6 th ed. Newnes - Butter Worth, 1976.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..